Merge pull request #2 from angular-ui/master

pull request from source
Add grunt build script and WYSIWYG data export plugin.

Add grunt build script that does minification and concatenation. Add
WYSIWYG data export plugin.  Add ability to pass in plugins using
function literals rather than an instance of each plugin.
Merge pull request #109 from ineedfat/master

Add grunt build script and WYSIWYG data export plugin.