refactor of ajax.js:

 - does no longer support class="ajax" and update="{id}", use
 data-toggle="ajax" and data-update="{id}"
  - support ajax-callback, callback, redirect, html and update
Add a Bitdeli badge to README
Merge pull request #2 from bitdeli-chef/master

Add a Bitdeli Badge to README
Merge branch 'master' into feature/updateStrategy

# By Bitdeli Chef (1) and Paul Andrieux (1)
# Via Bitdeli Chef (1) and Leny BERNARD (1)
* master:
  Add a Bitdeli badge to README
  refactor of ajax.js:

Conflicts:
	Resources/public/js/ajax.js