improvement on addBulkAction function.

It takes into consideration  the $config values passed as function parameters.
Merge pull request #59 from daniquilez/master

improvement on addBulkAction function.
gitignore update
Reorganise + bulkupload start
Added bulk upload management buttons
Add progress info + clear button
Basic button behavior
Implement action callback + cancel behaviour
Implement editAll + bulkManager requirement check
Clean up
BulkManager style update
Add bulkManager title + always above titles
Add record default title/name
Add gridfield refresh
Fix bulkManager check
Clean up
Translation refactoring
Add bulk edit form header + toggle btn
Watch onChange on form
Process updates in bulk