#305653 follow-up by sun: Prevent themes from being disabled during update.
#305653 follow-up by sun: Prevent themes from being disabled during update.

joshkoenig/golden-god-demo,OccupyWallStreet/streetnet,brainhell/drupalglass,brainhell/drupalglass,joshkoenig/golden-god-demo,OccupyWallStreet/streetnet,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,OccupyWallStreet/streetnet,lincgr/Prueba,brainhell/drupalglass,brainhell/drupalglass,edutrul/social-web,rmcveigh/frontend-dev,edutrul/social-web,lincgr/Prueba,edutrul/social-web,brainhell/drupalglass,edutrul/social-web,joshkoenig/golden-god-demo,lincgr/Prueba,rmcveigh/frontend-dev,lincgr/Prueba,edutrul/social-web,joshkoenig/golden-god-demo,rmcveigh/frontend-dev,OccupyWallStreet/streetnet