Plupload manager for destination.

Activate plupload to upload files on destination project
Plupload fixes

* Added plupload to nrl project
* Plupload plugin fix for IE browsers
Merge branch 'destination_plupload' into plupload_activate
Merge branch 'nrl_plupload' into plupload_activate
Plupload fixes for IE on destination

Active filter to download content for plupload on IE.
Merge pull request #47 from alediator/plupload_activate

Plupload activate