Index: frontend/package-lock.json
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- frontend/package-lock.json	(revision 652a0414340eae4be0375f244e97d3e75485db28)
+++ frontend/package-lock.json	(revision 9abbdf1ff4089b6b4d5525edf475fb33938f10dd)
@@ -4373,15 +4373,74 @@
       }
     },
     "d3": {
-      "version": "3.5.17",
-      "resolved": "https://registry.npmjs.org/d3/-/d3-3.5.17.tgz",
-      "integrity": "sha1-vEZ0gAQ3iyGjYMn8fPUjF5B2L7g="
+      "version": "5.15.0",
+      "resolved": "https://registry.npmjs.org/d3/-/d3-5.15.0.tgz",
+      "integrity": "sha512-C+E80SL2nLLtmykZ6klwYj5rPqB5nlfN5LdWEAVdWPppqTD8taoJi2PxLZjPeYT8FFRR2yucXq+kBlOnnvZeLg==",
+      "requires": {
+        "d3-array": "1",
+        "d3-axis": "1",
+        "d3-brush": "1",
+        "d3-chord": "1",
+        "d3-collection": "1",
+        "d3-color": "1",
+        "d3-contour": "1",
+        "d3-dispatch": "1",
+        "d3-drag": "1",
+        "d3-dsv": "1",
+        "d3-ease": "1",
+        "d3-fetch": "1",
+        "d3-force": "1",
+        "d3-format": "1",
+        "d3-geo": "1",
+        "d3-hierarchy": "1",
+        "d3-interpolate": "1",
+        "d3-path": "1",
+        "d3-polygon": "1",
+        "d3-quadtree": "1",
+        "d3-random": "1",
+        "d3-scale": "2",
+        "d3-scale-chromatic": "1",
+        "d3-selection": "1",
+        "d3-shape": "1",
+        "d3-time": "1",
+        "d3-time-format": "2",
+        "d3-timer": "1",
+        "d3-transition": "1",
+        "d3-voronoi": "1",
+        "d3-zoom": "1"
+      }
     },
     "d3-array": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/d3-array/-/d3-array-1.2.4.tgz",
       "integrity": "sha512-KHW6M86R+FUPYGb3R5XiYjXPq7VzwxZ22buHhAEVG5ztoEcZZMLov530mmccaqA1GghZArjQV46fuc8kUqhhHw=="
     },
+    "d3-axis": {
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/d3-axis/-/d3-axis-1.0.12.tgz",
+      "integrity": "sha512-ejINPfPSNdGFKEOAtnBtdkpr24c4d4jsei6Lg98mxf424ivoDP2956/5HDpIAtmHo85lqT4pruy+zEgvRUBqaQ=="
+    },
+    "d3-brush": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/d3-brush/-/d3-brush-1.1.5.tgz",
+      "integrity": "sha512-rEaJ5gHlgLxXugWjIkolTA0OyMvw8UWU1imYXy1v642XyyswmI1ybKOv05Ft+ewq+TFmdliD3VuK0pRp1VT/5A==",
+      "requires": {
+        "d3-dispatch": "1",
+        "d3-drag": "1",
+        "d3-interpolate": "1",
+        "d3-selection": "1",
+        "d3-transition": "1"
+      }
+    },
+    "d3-chord": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/d3-chord/-/d3-chord-1.0.6.tgz",
+      "integrity": "sha512-JXA2Dro1Fxw9rJe33Uv+Ckr5IrAa74TlfDEhE/jfLOaXegMQFQTAgAw9WnZL8+HxVBRXaRGCkrNU7pJeylRIuA==",
+      "requires": {
+        "d3-array": "1",
+        "d3-path": "1"
+      }
+    },
     "d3-collection": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/d3-collection/-/d3-collection-1.0.7.tgz",
@@ -4392,11 +4451,51 @@
       "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.2.3.tgz",
       "integrity": "sha512-x37qq3ChOTLd26hnps36lexMRhNXEtVxZ4B25rL0DVdDsGQIJGB18S7y9XDwlDD6MD/ZBzITCf4JjGMM10TZkw=="
     },
+    "d3-contour": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/d3-contour/-/d3-contour-1.3.2.tgz",
+      "integrity": "sha512-hoPp4K/rJCu0ladiH6zmJUEz6+u3lgR+GSm/QdM2BBvDraU39Vr7YdDCicJcxP1z8i9B/2dJLgDC1NcvlF8WCg==",
+      "requires": {
+        "d3-array": "^1.1.1"
+      }
+    },
     "d3-dispatch": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/d3-dispatch/-/d3-dispatch-1.0.5.tgz",
       "integrity": "sha512-vwKx+lAqB1UuCeklr6Jh1bvC4SZgbSqbkGBLClItFBIYH4vqDJCA7qfoy14lXmJdnBOdxndAMxjCbImJYW7e6g=="
     },
+    "d3-drag": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/d3-drag/-/d3-drag-1.2.5.tgz",
+      "integrity": "sha512-rD1ohlkKQwMZYkQlYVCrSFxsWPzI97+W+PaEIBNTMxRuxz9RF0Hi5nJWHGVJ3Om9d2fRTe1yOBINJyy/ahV95w==",
+      "requires": {
+        "d3-dispatch": "1",
+        "d3-selection": "1"
+      }
+    },
+    "d3-dsv": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/d3-dsv/-/d3-dsv-1.2.0.tgz",
+      "integrity": "sha512-9yVlqvZcSOMhCYzniHE7EVUws7Fa1zgw+/EAV2BxJoG3ME19V6BQFBwI855XQDsxyOuG7NibqRMTtiF/Qup46g==",
+      "requires": {
+        "commander": "2",
+        "iconv-lite": "0.4",
+        "rw": "1"
+      }
+    },
+    "d3-ease": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/d3-ease/-/d3-ease-1.0.6.tgz",
+      "integrity": "sha512-SZ/lVU7LRXafqp7XtIcBdxnWl8yyLpgOmzAk0mWBI9gXNzLDx5ybZgnRbH9dN/yY5tzVBqCQ9avltSnqVwessQ=="
+    },
+    "d3-fetch": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/d3-fetch/-/d3-fetch-1.1.2.tgz",
+      "integrity": "sha512-S2loaQCV/ZeyTyIF2oP8D1K9Z4QizUzW7cWeAOAS4U88qOt3Ucf6GsmgthuYSdyB2HyEm4CeGvkQxWsmInsIVA==",
+      "requires": {
+        "d3-dsv": "1"
+      }
+    },
     "d3-force": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/d3-force/-/d3-force-1.2.1.tgz",
@@ -4408,6 +4507,19 @@
         "d3-timer": "1"
       }
     },
+    "d3-format": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/d3-format/-/d3-format-1.4.3.tgz",
+      "integrity": "sha512-mm/nE2Y9HgGyjP+rKIekeITVgBtX97o1nrvHCWX8F/yBYyevUTvu9vb5pUnKwrcSw7o7GuwMOWjS9gFDs4O+uQ=="
+    },
+    "d3-geo": {
+      "version": "1.11.9",
+      "resolved": "https://registry.npmjs.org/d3-geo/-/d3-geo-1.11.9.tgz",
+      "integrity": "sha512-9edcH6J3s/Aa3KJITWqFJbyB/8q3mMlA9Fi7z6yy+FAYMnRaxmC7jBhUnsINxVWD14GmqX3DK8uk7nV6/Ekt4A==",
+      "requires": {
+        "d3-array": "1"
+      }
+    },
     "d3-hierarchy": {
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/d3-hierarchy/-/d3-hierarchy-1.1.8.tgz",
@@ -4426,11 +4538,21 @@
       "resolved": "https://registry.npmjs.org/d3-path/-/d3-path-1.0.7.tgz",
       "integrity": "sha512-q0cW1RpvA5c5ma2rch62mX8AYaiLX0+bdaSM2wxSU9tXjU4DNvkx9qiUvjkuWCj3p22UO/hlPivujqMiR9PDzA=="
     },
+    "d3-polygon": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/d3-polygon/-/d3-polygon-1.0.6.tgz",
+      "integrity": "sha512-k+RF7WvI08PC8reEoXa/w2nSg5AUMTi+peBD9cmFc+0ixHfbs4QmxxkarVal1IkVkgxVuk9JSHhJURHiyHKAuQ=="
+    },
     "d3-quadtree": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/d3-quadtree/-/d3-quadtree-1.0.6.tgz",
       "integrity": "sha512-NUgeo9G+ENQCQ1LsRr2qJg3MQ4DJvxcDNCiohdJGHt5gRhBW6orIB5m5FJ9kK3HNL8g9F4ERVoBzcEwQBfXWVA=="
     },
+    "d3-random": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/d3-random/-/d3-random-1.1.2.tgz",
+      "integrity": "sha512-6AK5BNpIFqP+cx/sreKzNjWbwZQCSUatxq+pPRmFIQaWuoD+NrbVWw7YWpHiXpCQ/NanKdtGDuB+VQcZDaEmYQ=="
+    },
     "d3-sankey-circular": {
       "version": "0.33.0",
       "resolved": "https://registry.npmjs.org/d3-sankey-circular/-/d3-sankey-circular-0.33.0.tgz",
@@ -4442,6 +4564,33 @@
         "elementary-circuits-directed-graph": "^1.0.4"
       }
     },
+    "d3-scale": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-2.2.2.tgz",
+      "integrity": "sha512-LbeEvGgIb8UMcAa0EATLNX0lelKWGYDQiPdHj+gLblGVhGLyNbaCn3EvrJf0A3Y/uOOU5aD6MTh5ZFCdEwGiCw==",
+      "requires": {
+        "d3-array": "^1.2.0",
+        "d3-collection": "1",
+        "d3-format": "1",
+        "d3-interpolate": "1",
+        "d3-time": "1",
+        "d3-time-format": "2"
+      }
+    },
+    "d3-scale-chromatic": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/d3-scale-chromatic/-/d3-scale-chromatic-1.5.0.tgz",
+      "integrity": "sha512-ACcL46DYImpRFMBcpk9HhtIyC7bTBR4fNOPxwVSl0LfulDAwyiHyPOTqcDG1+t5d4P9W7t/2NAuWu59aKko/cg==",
+      "requires": {
+        "d3-color": "1",
+        "d3-interpolate": "1"
+      }
+    },
+    "d3-selection": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-1.4.1.tgz",
+      "integrity": "sha512-BTIbRjv/m5rcVTfBs4AMBLKs4x8XaaLkwm28KWu9S2vKNqXkXt2AH2Qf0sdPZHjFxcWg/YL53zcqAz+3g4/7PA=="
+    },
     "d3-shape": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/d3-shape/-/d3-shape-1.3.5.tgz",
@@ -4450,11 +4599,54 @@
         "d3-path": "1"
       }
     },
+    "d3-time": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/d3-time/-/d3-time-1.1.0.tgz",
+      "integrity": "sha512-Xh0isrZ5rPYYdqhAVk8VLnMEidhz5aP7htAADH6MfzgmmicPkTo8LhkLxci61/lCB7n7UmE3bN0leRt+qvkLxA=="
+    },
+    "d3-time-format": {
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/d3-time-format/-/d3-time-format-2.2.3.tgz",
+      "integrity": "sha512-RAHNnD8+XvC4Zc4d2A56Uw0yJoM7bsvOlJR33bclxq399Rak/b9bhvu/InjxdWhPtkgU53JJcleJTGkNRnN6IA==",
+      "requires": {
+        "d3-time": "1"
+      }
+    },
     "d3-timer": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/d3-timer/-/d3-timer-1.0.9.tgz",
       "integrity": "sha512-rT34J5HnQUHhcLvhSB9GjCkN0Ddd5Y8nCwDBG2u6wQEeYxT/Lf51fTFFkldeib/sE/J0clIe0pnCfs6g/lRbyg=="
     },
+    "d3-transition": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/d3-transition/-/d3-transition-1.3.2.tgz",
+      "integrity": "sha512-sc0gRU4PFqZ47lPVHloMn9tlPcv8jxgOQg+0zjhfZXMQuvppjG6YuwdMBE0TuqCZjeJkLecku/l9R0JPcRhaDA==",
+      "requires": {
+        "d3-color": "1",
+        "d3-dispatch": "1",
+        "d3-ease": "1",
+        "d3-interpolate": "1",
+        "d3-selection": "^1.1.0",
+        "d3-timer": "1"
+      }
+    },
+    "d3-voronoi": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/d3-voronoi/-/d3-voronoi-1.1.4.tgz",
+      "integrity": "sha512-dArJ32hchFsrQ8uMiTBLq256MpnZjeuBtdHpaDlYuQyjU0CVzCJl/BVW+SkszaAeH95D/8gxqAhgx0ouAWAfRg=="
+    },
+    "d3-zoom": {
+      "version": "1.8.3",
+      "resolved": "https://registry.npmjs.org/d3-zoom/-/d3-zoom-1.8.3.tgz",
+      "integrity": "sha512-VoLXTK4wvy1a0JpH2Il+F2CiOhVu7VRXWF5M/LroMIh3/zBAC3WAt7QoIvPibOavVo20hN6/37vwAsdBejLyKQ==",
+      "requires": {
+        "d3-dispatch": "1",
+        "d3-drag": "1",
+        "d3-interpolate": "1",
+        "d3-selection": "1",
+        "d3-transition": "1"
+      }
+    },
     "damerau-levenshtein": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/damerau-levenshtein/-/damerau-levenshtein-1.0.5.tgz",
@@ -8275,8 +8467,7 @@
     "iconv-lite": {
       "version": "0.4.19",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.19.tgz",
-      "integrity": "sha512-oTZqweIP51xaGPI4uPa56/Pri/480R+mo7SeU+YETByQNhDG55ycFyNLIgta9vXhILrxXDmF7ZGhqZIcuN0gJQ==",
-      "dev": true
+      "integrity": "sha512-oTZqweIP51xaGPI4uPa56/Pri/480R+mo7SeU+YETByQNhDG55ycFyNLIgta9vXhILrxXDmF7ZGhqZIcuN0gJQ=="
     },
     "ieee754": {
       "version": "1.1.8",
@@ -12549,6 +12740,11 @@
         "world-calendars": "^1.0.3"
       },
       "dependencies": {
+        "d3": {
+          "version": "3.5.17",
+          "resolved": "https://registry.npmjs.org/d3/-/d3-3.5.17.tgz",
+          "integrity": "sha1-vEZ0gAQ3iyGjYMn8fPUjF5B2L7g="
+        },
         "es6-promise": {
           "version": "3.3.1",
           "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.3.1.tgz",