Fixed #267 Email verification feature (#268)

* <Implemented basic welcome email upon signup>

* <Added config option to enable>

* <Added verification link routing>

* <Added views for verify/resend and reconfigured routes>

* <Finished Verification System minus Rspec changes>

* <Fixed code style>

* <Modified dome rspec tests>

* <Switched sample env back to default>

* <Added test cases to increase code coverage>

* <Added test_helper>

* <Minor code changes>

* <Added requested changes>

* <Added requested changes>

* <see if this fixes migration>

* <see if this fixes migration>

* <fixed migrations>

* Delete .rake_tasks~

* Update _confirm_button.html.erb

* Update _resend_button.html.erb

* Update verify_email.html.erb

* Update verify_email.text.erb

* <Fixed bugs>

* <Added validation of verification link and fixed some code style>

* <Disabled updating email for omniauth>

config/routes.rb

@@ -31,6 +31,12 @@ Rails.application.routes.draw do
 
   # User resources.
   scope '/u' do
+    # Verification Routes
+    scope '/verify' do
+      match '/resend', to: 'users#resend', via: [:get, :post], as: :resend
+      match '/confirm/:user_uid', to: 'users#confirm', via: [:get, :post], as: :confirm
+    end
+
     # Handles login of greenlight provider accounts.
     post '/login', to: 'sessions#create', as: :create_session