Remove lodash

package.json

@@ -21,7 +21,6 @@
   "license": "MIT",
   "dependencies": {
     "home-assistant-js": "git+https://github.com/home-assistant/home-assistant-js.git#ff2bd7efd23bb731d1bcc88996154c5d573395ed",
-    "lodash": "^4.11.2",
     "moment": "^2.13.0"
   },
   "devDependencies": {

src/components/state-history-chart-line.js

@@ -1,7 +1,15 @@
-import range from 'lodash/range';
-
 import Polymer from '../polymer';
 
+function range(start, end) {
+  const result = [];
+
+  for (let i = start; i < end; i++) {
+    result.push(i);
+  }
+
+  return result;
+}
+
 function saveParseFloat(value) {
   const parsed = parseFloat(value);
   return !isNaN(parsed) && isFinite(parsed) ? parsed : null;