def: 6690 enable creating a new KMC account via Admin with a puser_id that already exists (as KMC user)

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/tags/gemini_2013_01_28@94033 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
adding empty directories