Create PDF derivatives, optional ingestion of PDF and update the theme.
Merge branch '7.x' of github.com:discoverygarden/islandora_scholar into 7.x-pdf-changes

Conflicts:
	includes/citation.tab.inc
Batch the Drush things, code review changs.
Update DS-COMPOSITE-MODEL.
Form load include for AJAX.
Newline.
Merge pull request #71 from jordandukart/7.x-pdf-changes

7.x pdf changes