bug #914 Update assets and fixes JS files composition (yceruto)

This PR was merged into the master branch.

Discussion
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Update assets and fixes JS files composition

Fixes #913

Fix deprecating warnings enabling single runtime chunk:
![demo-encore-deprecated-warnings](https://user-images.githubusercontent.com/2028198/49808084-afd10e00-fd29-11e8-9b43-efe65cc2a3ec.png)

Commits
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e23b5d1 Update assets and fixes JS files composition

Author: javiereguiluz

public/build/vendors~70e61e62.fcea2503.js renamed to public/build/0.830d5dde.js

@@ -2,36 +2,46 @@
   "entrypoints": {
     "js/app": {
       "js": [
-        "/build/vendors~70e61e62.fcea2503.js",
-        "/build/vendors~d0214e58.2af2529d.js",
-        "/build/js/app.23ef4f60.js"
+        "/build/runtime.6cf710cd.js",
+        "/build/0.830d5dde.js",
+        "/build/2.dbd2ede0.js",
+        "/build/js/app.b0ae906f.js"
       ]
     },
     "js/login": {
       "js": [
-        "/build/vendors~70e61e62.fcea2503.js",
-        "/build/js/login.7c1fc2ac.js"
+        "/build/runtime.6cf710cd.js",
+        "/build/0.830d5dde.js",
+        "/build/js/login.71306f38.js"
       ]
     },
     "js/admin": {
       "js": [
-        "/build/vendors~70e61e62.fcea2503.js",
-        "/build/vendors~4ab51824.7f92ab17.js",
-        "/build/js/admin.256a9071.js"
+        "/build/runtime.6cf710cd.js",
+        "/build/0.830d5dde.js",
+        "/build/1.bdd72f15.js",
+        "/build/js/admin.4ca6ad4a.js"
       ]
     },
     "js/search": {
       "js": [
-        "/build/vendors~70e61e62.fcea2503.js",
-        "/build/js/search.ef0a5a34.js"
+        "/build/runtime.6cf710cd.js",
+        "/build/0.830d5dde.js",
+        "/build/js/search.6682ea4d.js"
       ]
     },
     "css/app": {
+      "js": [
+        "/build/runtime.6cf710cd.js"
+      ],
       "css": [
         "/build/css/app.4aa95248.css"
       ]
     },
     "css/admin": {
+      "js": [
+        "/build/runtime.6cf710cd.js"
+      ],
       "css": [
         "/build/css/admin.1b3ff8e3.css"
       ]