Changed Parameter Type Hinting to only use the top level Abstract class
Merge branch '7.x' into 7.x-fcrepo4

Conflicts:
	includes/ingest.form.inc
	includes/utilities.inc
	islandora_basic_collection.module
Merge pull request #52 from nigelgbanks/7.x-fcrepo4

Changed Parameter Type Hinting to only use the top level Abstract class