Merge pull request #315 from alxdarksage/studies

Studies: Adding/removing Stormpath directories, adding a service to coordinate
Merge pull request #316 from alxdarksage/studies

Ignoring once again; never passes on Travis.
Merge branch 'develop' of https://github.com/Sage-Bionetworks/BridgePF into studies
Accessing remaning services to completely create study; adding methods to fully test success of API