Adding modules related to sending HTML newsletters

references code4aap/drupal-aap-campaign#48
Module added for easy download/backup of files
Merge pull request #5 from sghosh9/7.x-1.x-dev

Removed workbench modules;added publish content
Patched and fixed oauth FB login bug

Note that this is not a clean solution and better way to should be implemented around this in future. For now the fix is done based on the issue and the patch submitted by users on DO here - http://drupal.org/node/1963174

references code4aap/drupal-aap-campaign#47
Merge branch '7.x-1.x-dev' of https://github.com/code4aap/drupal-webroot into 7.x-1.x-dev