If the client calls EntryGroup::Commit update the local state immediately and

If the client calls EntryGroup::Commit update the local state immediately and
do not delay this until the server informed us about the state change
asynchronously. The reason for this change is that otherwise all functions that
access the entry group depend on the out-of-date state for their validity
checks, which is obviously a bad idea.

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@1269 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe