fix(Build): Allow Angular 1.3.x upper constraint

Had incorrect semver syntax for Bower ('>=1.2.16 <=1.3.x') which worked
for semver but not BOWER'S semver, which is different. This updated syntax
is correct.

Thanks to @jgilchrist for walking me through it.

Closes #4064

lib/grunt/plugins.js

@@ -280,7 +280,7 @@ module.exports = function(grunt) {
 
   // Create the bower.json file
   grunt.registerTask('update-bower-json', function () {
-    var currentTag = semver.clean( util.getCurrentTag() );
+    var currentTag = semver.clean( util.getVersion() );
 
     var taggedReleaseDir = path.join(path.resolve(process.cwd()), 'dist', 'release', currentTag);
 
@@ -308,7 +308,7 @@ module.exports = function(grunt) {
       'main': releaseFiles,
       'ignore': [],
       'dependencies': {
-        'angular': '>=1.2.16 <=1.3.16' // Note: bower will install 1.2.28 when <=1.3.x is specified...
+        'angular': '>=1.2.16 1.3.x'
       },
       'repository': pkg.repository,
       'homepage': 'http://ui-grid.info',