APPSTATE refactoring:

- Make index.html cacheable by being stateless
- Improve compression (base64 doesn't gzip well)
- Remove base64 encoding/decoding step
- Make AppState injectable so it can be unit tested
- Ready to remove the global leakage

res/app/components/stf/app-state/app-state-provider.js

@@ -0,0 +1,24 @@
+module.exports = function AppStateProvider() {
+  var values = {
+    config: {
+      websocketUrl: ''
+    },
+    user: {
+      settings: {}
+    }
+  }
+
+  /*globals GLOBAL_APPSTATE:false*/
+  if (GLOBAL_APPSTATE) {
+    values = angular.extend(values, GLOBAL_APPSTATE)
+  }
+
+  return {
+    set: function (constants) {
+      angular.extend(values, constants)
+    },
+    $get: function () {
+      return values
+    }
+  }
+}