sqlite support, draft implementation



git-svn-id: http://coturn.googlecode.com/svn/trunk@482 a3c88463-c8e2-e606-d8d5-275b8e57aef6
status updated



git-svn-id: http://coturn.googlecode.com/svn/trunk@484 a3c88463-c8e2-e606-d8d5-275b8e57aef6