Remove old home controller, not used anymore.

This fixes the build.
Merge pull request #15 from hackd/build-fix

Remove old home controller, not used anymore.
Verifying whether the user does belong to allowed organizations

Changed the flow of SessionsController to TRULY verify a user's
organizations.
Merge pull request #16 from hackd/change-omniauth-flow

Verifying whether the user does belong to allowed organizations
Git pair working