Merge pull request #310 from eric-wu/develop

Add pem utils for private keys, upgrade Play to 2.2.5
Add logging to debug staging
Merge pull request #311 from Sage-Bionetworks/uat

uat -> develop: Add logging to debug staging
Limit logging existing tables to only uat and prod
Updating to new directories
Updating to new directories for test study
Merge pull request #312 from Sage-Bionetworks/uat

Merge uat back to develop
Fix pagination problem with listing tables
Fix again pagination problem with listing tables
Merge pull request #313 from Sage-Bionetworks/uat

Merge uat patch to develop
Create .slugignore
Create .slugignore
Merge pull request #314 from Sage-Bionetworks/uat

Merge uat back to develop
Adding Stormpath to the study system
Merge branch 'develop' of https://github.com/Sage-Bionetworks/BridgePF into studies
Updating to recent changes
Merge pull request #315 from alxdarksage/studies

Studies: Adding/removing Stormpath directories, adding a service to coordinate
Ignoring once again; never passes on Travis.
Merge pull request #316 from alxdarksage/studies

Ignoring once again; never passes on Travis.
Fix the misspelling of the upload bucket name