Renamed notifications

Ignore-this: 7176903ab8754a89d3c2e9d5b87c1892

darcs-hash:20090330213252-1e3d8-b2fac82427b795113f7346ebc5c02309baee21ce
Don't check if MSRPChat has started directly after re-INVITE

darcs-hash:20090331094825-58103-ffec6776131537150dfdaef8849fbecfc546d5e4