Users are redirected to the url they clicked login/signup from (#446)

app/helpers/sessions_helper.rb

@@ -32,7 +32,17 @@ module SessionsHelper
   # If email verification is disabled, or the user has verified, go to their room
   def check_email_verified(user)
     if user.activated?
-      redirect_to user.main_room
+      # Get the url to redirect the user to
+      url = if cookies[:return_to] && cookies[:return_to] != root_url
+        cookies[:return_to]
+      else
+        user.main_room
+      end
+
+      # Delete the cookie if it exists
+      cookies.delete :return_to if cookies[:return_to]
+
+      redirect_to url
     else
       redirect_to resend_path
     end