use OpenM_DB to create select
bugfix OpenM_Groups getMyCommunity
change to getCommunity(userId)
add ancestors for getCommunities
bugfix getMyGroups and getCommunitiesAndGroups
add license
impl renammeCommunity
add banned user check on getCommunityUsers and getCommunityNotValidUsers
Merge pull request #7 from gsaunier/master

add withAncerstors parameter in getCommunities