Better docs.
Add failing test for unicode jid nodes.
Force decoded Base64 data to UTF-8.
Merge commit '6c97288bd6cf2f0f3317503111b4d4215f26192e'
Merge commit '281823f24ba9060d0b686343a6dd108c0f3d974d'
Merge commit 'd8b7c62890ac453964a26e2703443eae112186b8'
feature(roster) added cluster support for contact remove from roster