GRN-80: Allow local accounts on multitenant (#428)

* Changed the way the omniauth providers are declared

* Allow local authentication for multitenant mode based on customer settings

* Cleanead up code mandated by rubocop

* Completed implementation for signin and added the one for signup

* Fixed issue with rubocop

* Renamed customer_name to lb_user

* Renamed lb_user -> user_domain, fixed issue with signup controller, email verification WAS NOT implemented

* Completed implementation of email_verification

* Fixed rubocop issue

* Final update

* Fix for test with loadbalancer

* Make sure loadbalancer mockup is only used when env defined

* Fix for test on rooms_controller

* Fixed most of the test failing on multitenant env

* Fixed issue detected by rubocop

* Fixed issue with activation tockens not working on resend

* Fixed new issue found by rubocop

* Updated travis script

* Harcoded credentials for mockup

* Updated expectation on start_session

* Fixed issue with duplication of home room

* Updated script for rubocop

* Restored Gemfile

.rubocop.yml

@@ -409,6 +409,9 @@ Style/StringLiteralsInInterpolation:
   - single_quotes
   - double_quotes
 
+Style/Strip:
+  Enabled: true
+
 Layout/SpaceAroundBlockParameters:
   EnforcedStyleInsidePipes: no_space
   SupportedStylesInsidePipes:
@@ -1092,9 +1095,6 @@ Performance/FixedSize:
 Performance/FlatMap:
   EnabledForFlattenWithoutParams: false
 
-Performance/LstripRstrip:
-  Enabled: true
-
 Performance/RangeInclude:
   Enabled: true