chore(Build): Allow AngularJS 1.3.x as dependency

For some reason Bower won't install 1.3.x when the version spec says
'>=1.2.16 <=1.3.x'. It installs 1.2.28 instead. This change explicitly
states 1.3.14 as the latest allowable.

Closes #3865

Author: c0bra

lib/grunt/plugins.js

@@ -296,7 +296,7 @@ module.exports = function(grunt) {
       "main": releaseFiles,
       "ignore": [],
       "dependencies": {
-        "angular": ">=1.2.16 <=1.3.x"
+        "angular": ">=1.2.16 <=1.3.16" // Note: bower will install 1.2.28 when <=1.3.x is specified...
       },
       "homepage": "http://ui-grid.info"
     };