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>

app/helpers/sessions_helper.rb

@@ -21,14 +21,23 @@ module SessionsHelper
   def login(user)
     session[:user_id] = user.id
 
-    # If there are not terms, or the user has accepted them, go to their room.
+    # If there are not terms, or the user has accepted them, check for email verification
     if !Rails.configuration.terms || user.accepted_terms
-      redirect_to user.main_room
+      check_email_verified(user)
     else
       redirect_to terms_path
     end
   end
 
+  # If email verification is disabled, or the user has verified, go to their room
+  def check_email_verified(user)
+    if !Rails.configuration.enable_email_verification || user.email_verified
+      redirect_to user.main_room
+    else
+      redirect_to resend_path
+    end
+  end
+
   # Logs current user out of GreenLight.
   def logout
     session.delete(:user_id) if current_user