Add fetching email from vk auth
Merge pull request #603 from makaroni4/master

Add fetching email from vk auth
Deprecate `current_users` method #602
Introduces a new User instance method `generate_reset_password_token` to generate a new reset password token without sending an email
Use the new generate_reset_password_token! method in tests where the reset_passwork_token is the main subject.
Merge pull request #604 from NoamB/deprecate-current-users

Deprecate `current_users` method #602
Merge pull request #541 from tbuehl/reset_password

generate_reset_password_token User instance method
Global controller specs #586
Cleanup
WIP
Global controller specs #586
Mocked controller's specs.
Removed DM, MM, Mongoid from base repository.
Made Adapters visible.
Removed generator_spec.