Merge pull request #47 from ajstanley/7.x

tests for index existence
Cleaned up include and removed hard coded solr field.
Removed debug statements.
Merge pull request #50 from MorganDawe/7.x

Cleaned up includes, and removed hard coded solr field.
repackaged
Merge branch '7.x' of github.com:Islandora/islandora_bookmark into 7.x