[ladda] Add LaddaAjaxLink and LaddaAjaxButton (intergration with http://msurguy.github.io/ladda-bootstrap/)
[ladda] Add javadoc and clear the data in complete()
[ladda] Use Bootstrap's Button size rather than Ladda's

Rename Style to Effect
[ladda] Javadocs and cleanup
[ladda] Code formatting
[ladda] code formatting
Merge branch 'master' into ladda
Issue #432 - Use webjars for spin.js
remove local copies of spin.js (we use it thru webjars now)
Merge pull request #432 from l0rdn1kk0n/ladda

Ajax link and button with loading effect