Upgrade gradle tools for Android Studio 0.4.0
Merge pull request #23 from strongloop/feature/upgrade-gradle

Upgrade gradle tools for Android Studio 0.4.0
Fix the loopback-push-notification dependency version
Add User & AccessToken models and enable ACLs.
Merge pull request #25 from strongloop/feature/enable-acl-in-test-server

Add User & AccessToken models and enable ACLs.
Add RestAdapter.setAccessToken & removeAccessToken
Merge pull request #26 from strongloop/feature/rest-authorization-header

Add RestAdapter.setAccessToken & removeAccessToken
User create, login and logout support
Return the nameForRestUrl to be used by UserRepository for contract creation
login and logout with access token

Reworked User login and logout to work with access token properly.
Access token set and removed from header
Implemented feedback from pull request

Replaced tabs with 4 spaces,
userLogin passes through AccessToken
new helper class logins and passes back User
User Unit Tests
User and File/Container tests
Code clean-up

Includes fix of failing unit-tests.
Add include=user to UserRepository.login

Modify LoginCallback and remove GetLoggedInUserCallback.
Merge pull request #27 from strongloop/feature/user-model

Implement User model
File upload and download support

Upload (POST), Download (GET), work in progress…containers next
Start of Container support

Containers!
Container and File integration work in progress