Pluginable UserSource iOS App

Created Cordova Framework
Created userSourceLib
Created userSource Framework
Merge branch 'feature/plugin-ios' into develop

Conflicts:
	anno_app/platforms/ios/UserSource.xcodeproj/project.pbxproj
Project fixups for ios pluginability
[Client] Removed unnecessary '.staging' directory
Merge branch 'develop' of github.com:usersource/anno into feature/plugin-server
Pluginabilty changes
Merge branch 'develop' of github.com:usersource/anno into develop
[Server] Added authentication for plugin user
Merge branch 'develop' of github.com:usersource/anno into feature/plugin-server
[Server] Adding userrole after creating plugin user
[Server] Minor refactor
[Server] Modified to create anno from plugin