Merge pull request #13 from alxdarksage/develop

A couple of auth UI checkins.
Merge pull request #14 from alxdarksage/develop

Integration tests added
Merge pull request #15 from alxdarksage/develop

Updates to tests.
Add unimplemented changes
Rudimentary call to get communities
Merge pull request #16 from marcel-blonk/develop

Rudimentary call to get communities
Added a number of tests for all the auth scenarios.
Merge branch 'develop' of https://github.com/Sage-Bionetworks/Bridge into develop
Moving code around to pull communities through bridge client.