Changes to allow multiple files to be uploaded at once.

portal-ore changes required for it to work.
changed heights to % to avoid filter layer to be covered (in most cases)
The zone is now coming from the template.
Merge pull request #35 from dunkgray/master

The zone is now coming from the template.
Merge pull request #31 from alexkrumpholz/feature/VHIRL-33_multifile_upload

Changes to allow multiple files to be uploaded at once.
Merge pull request #34 from alexkrumpholz/feature/VHIRL-38_hidden_gui

changed heights to % to avoid filter layer to be covered (in most cases)
Pin to a revision that has the multi file upload
Fix unit tests....