Upgrade template dependencies to solve feature vis's broken slider

package.json

@@ -32,32 +32,32 @@
     "js-yaml": "^3.13.1",
     "jsdom": "11.3.0",
     "jsdom-global": "3.0.2",
-    "marked": "^0.8.0",
+    "marked": "^0.8.2",
     "mocha": "^5.2.0",
-    "prismjs": "^1.19.0",
-    "rollup": "^0.50.1",
+    "prismjs": "^1.20.0",
+    "rollup": "^2.7.3",
     "rollup-plugin-babili": "^3.1.1",
     "rollup-plugin-buble": "^0.15.0",
-    "rollup-plugin-commonjs": "^7.0.0",
+    "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-copy": "^0.2.3",
     "rollup-plugin-grapher": "^0.2.0",
     "rollup-plugin-gzip": "^1.4.0",
     "rollup-plugin-node-resolve": "^2.0.0",
-    "rollup-plugin-serve": "^0.4.2",
+    "rollup-plugin-serve": "^1.0.1",
     "rollup-plugin-string": "^2.0.2",
     "rollup-plugin-uglify": "^1.0.1",
-    "rollup-watch": "^2.5.0",
+    "rollup-watch": "^4.3.1",
     "should": "^13.2.3",
-    "source-map-support": "^0.5.16",
+    "source-map-support": "^0.5.19",
     "webpack": "^2.2.1"
   },
   "dependencies": {
     "@webcomponents/webcomponentsjs": "^1.3.3",
     "assert": "^1.5.0",
     "commander": "^2.20.3",
-    "d3-array": "^1.2.4",
+    "d3-array": "^2.4.0",
     "d3-drag": "^1.2.5",
-    "d3-scale": "^1.0.7",
+    "d3-scale": "^3.2.1",
     "d3-selection": "^1.4.1",
     "d3-time-format": "^2.2.3",
     "escape-html": "^1.0.3",

rollup.config.dev.js

@@ -25,7 +25,7 @@ componentsConfig.plugins.push(
   }),
   serve({
     open: true,
-    openPage: "/examples/index.html",
+    openPage: "/index.html",
     contentBase: ["dist", "examples"],
     headers: {
       "Access-Control-Allow-Origin": "*"