Renamed jabber.h -> xmpp.h
Renamed connection.c -> xmpp_conn.c
Renamed iq.c -> xmpp_iq.c
Renamed capabilities.c -> xmpp_caps.c
Renamed stanza.c -> xmpp_stanza.c
Renamed UI related files
Renamed history.c -> command_history.c

Included in command.h
Renamed history modules
Renamed parser.c -> command_parser.c

Included in command.h