PluginTagTable::getAllTagNameWithCount: Set the "from" query part only if not passed. This allows more complex queries with joins etc to be passed to the function. 
PluginTagTable::getAllTagNameWithCount: Set the "from" query part only if not passed. This allows more complex queries with joins etc to be passed to the function. 

git-svn-id: 14431f16c86e063b591b7186ad64c5043b5760e0@15848 ee427ae8-e902-0410-961c-c3ed070cd9f9

Virtuvia/sfDoctrineActAsTaggablePlugin,Virtuvia/sfDoctrineActAsTaggablePlugin