(js) Update Angular to branch 1.6.x

UI/WebServerResources/bower.json

@@ -2,12 +2,12 @@
   "name": "sogo-web",
   "private": true,
   "devDependencies": {
-    "angular": "1.5.x",
-    "angular-animate": "1.5.x",
-    "angular-aria": "1.5.x",
-    "angular-cookies": "1.5.x",
-    "angular-messages": "1.5.x",
-    "angular-sanitize": "1.5.x",
+    "angular": "1.6.x",
+    "angular-animate": "1.6.x",
+    "angular-aria": "1.6.x",
+    "angular-cookies": "1.6.x",
+    "angular-messages": "1.6.x",
+    "angular-sanitize": "1.6.x",
     "angular-ui-router": "latest",
     "angular-file-upload": "latest",
     "angular-material": "1.1.1-master-64b2621",