Removes nick collisions

append |mc to nicks from minecraft
Revert "Removes nick collisions"

This reverts commit 50c7d2128143d557e9f43ba18d74722f2b137db9.
fix off-by-one in bounds check
add /ircnick command

Bungee permission is irc.nick
In-game command is /ircnick <nick>
Checks nick collision in channel and doesn't send if collision is found
Merge branch 'master' of https://github.com/siosilvar/BungeeRelay into siosilvar-master
Merge branch 'siosilvar-master'