fwr: validateFroUpdate must return value

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/tags/gemini_2013_02_18@94206 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
qnd: content_contributions - Column 'entry_media_source_id' in where clause is ambiguous


git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/tags/gemini_2013_02_18@94230 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
def: 7158 - fix entry_media_source_id alias in SQL queries

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/tags/gemini_2013_02_18@94246 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
qnd: added missing functions

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/tags/gemini_2013_02_18@94248 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
adding empty directories