Show Solr Record in Staff View
Updates to OverDrive indexing

Load covers and thumbnails from overdrive metadata
Store raw metadata into database (for future display in staff view)
When indexing overdrive titles, use large cover from metadata if
available.
Add OverDrive Read to MetaData

Was being ignored due to historical breakage of OverDrive Read
Merge remote-tracking branch 'origin/2013.06.0' into 2013.06.0-Nashville

Conflicts:
	vufind/import/Reindexer.jar