upgrading to the latest version of sufia, which allows for batch delete.  Adding a test to make sure this does not break in the future. fixes #3859
uses psu stewardship sufia to implement after delivery hook for sending configured contact form emails fixes #3739
Removing collection button for release. fixes #3848
Adding new partial for twitter, facebook, and linkedin displays that were missing on the profile show page.  This is related to changes for SCM-3748.  Refs #3844
Moving new routes to before sufia engine mount so they are found. fixes #3839
Adding the parameter processing to select the permission or version tab as the first set. fixes #3855
SCM-3880 - 500 error on transfer ownership fixes #3880
1.6 release - fixes #3833
updating sufia version to pull in latest fixes
Transfers should list the sending user in the 'from' field, not the receiving user: fixes #3884
upgrading to get the download controller fix for chrome. fixes #3829
upping hydra-collections version to fix 500 on natch delete when cancel is pressed. fixes #3887
Adding user route locally to fix no route error.  fixes #3891
Merging the 1.6 release branch back into develop