- m_map(): remove useless IsOper() test on source_p. for operators mo_map is being used

git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid-7.2@979 82007160-df01-0410-b94d-b575c5fd34c7
- remove useless MyConnect tests in m_time() and m_lusers()
- remove useless TS6 handling in m_who() since this is sent to local
  clients only

git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid-7.2@980 82007160-df01-0410-b94d-b575c5fd34c7
- speed up processing of incoming NICK/UID bursts
- fixed archaic bug where bursting servers with missconfigured NICKLEN were able
  to desync the network's nickname database

git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid-7.2@981 82007160-df01-0410-b94d-b575c5fd34c7