Upgrade angular to 1.5.6

Author: stefk

bower.json

@@ -3,8 +3,8 @@
   "version": "1.0.0",
   "description": "core frontend dependencies",
   "dependencies": {
-    "angular": "1.4.9",
-    "angular-animate": "1.4.9",
+    "angular": "1.5.6",
+    "angular-animate": "1.5.6",
     "angular-bootstrap": "1.1.2",
     "angular-breadcrumb": "0.4.1",
     "angular-data-table": "https://github.com/ngodfraind/angular-data-table.git#f80646159282c7487c90ff9b13a850112e4aa030",
@@ -14,18 +14,18 @@
     "angular-gridster": "0.13.5",
     "angular-loading-bar": "0.9.0",
     "angular-motion": "0.4.3",
-    "angular-resource": "1.4.9",
-    "angular-route": "1.4.9",
-    "angular-sanitize": "1.4.9",
+    "angular-resource": "1.5.6",
+    "angular-route": "1.5.6",
+    "angular-sanitize": "1.5.6",
     "angular-strap": "2.3.7",
     "angular-toArrayFilter": "1.0.1",
-    "angular-touch": "1.4.9",
+    "angular-touch": "1.5.6",
     "angular-ui-resource-picker": "1.0.0",
     "angular-ui-router": "0.2.18",
-    "angular-ui-select": "0.13.2",
+    "angular-ui-select": "0.18.0",
     "angular-ui-tinymce": "0.0.14",
     "angular-ui-translation": "1.0.1",
-    "angular-ui-tree": "2.15.0",
+    "angular-ui-tree": "2.16.0",
     "backbone": "1.2.3",
     "bootstrap": "3.3.6",
     "bootstrap-additions": "0.3.1",