Wikia/app — pull request #3827 by nandy-andy (2014-06-04 14:19:45+00:00)
Title: MOB-1704

We can handle service errors when we have `returnInstance` option now in MW `Http` class. I changed our model so it always requires the instance of `MWHttpRequest`, therefore we can serve service errors such as "Name needs to be unique" for creating tilesets.