OR-537 Add recaptcha_ajax.js in bower.json in order to work offline
Merge pull request #360 in OR/rse from ~RPIGNOLET/rse:OR-537 to master

* commit '068ab8b8e9bd6f9ae2771da894652fd771e2994a':
  OR-537 Add recaptcha_ajax.js in bower.json in order to work offline