Merge pull request #19 from nwwatson/master

fixed issue with sign in redirect.

Author: Nicholas W. Watson

app/controllers/entropi_social/user_sessions_controller.rb

@@ -7,19 +7,17 @@ def new
     end
 
     def create
+      
       authenticate_user!
-
+      
       if user_signed_in?
-        respond_to do |format|
-          format.html {
-            flash[:notice] = I18n.t("devise.sessions.signed_in")
-            redirect_to(root_path)
-          }
-        end
+        flash[:notice] = I18n.t("devise.sessions.signed_in")
+        redirect_to(root_path)
       else
         flash[:error] = I18n.t("devise.failure.invalid")
         render :new
       end
+
     end
 
     def destroy