Use 'sysmsg' for private message system messages

That way it gets nice and pretty colors
Merge pull request #18 from Kealper/master

Make highlights stand out, re-fix empty message check, make colors seed only get set once
Use different formatting for private messages
Typo

When did that get there?
Merge pull request #26 from IQAndreas/minor-color-fixes

Minor color fixes
Embedded lock in to server struct
add optional whitelisting of fingerprints for connecting
clean up duplicate commands in OP_HELP_TEXT
Merge pull request #32 from jazzychad/whitelist

add optional whitelisting of fingerprints for connecting
Merge pull request #36 from jazzychad/clean_op_cmds

clean up duplicate commands in OP_HELP_TEXT
Merge pull request #33 from voldyman/master

Embedded lock in to server struct
add ability to load motd from file - closes #25
adds /whitelist command for ops
Updated locks to work with next embedded mutex.
Added /colors command to toggle coloring.
Merge pull request #34 from jazzychad/motd_file

add ability to load motd from file - closes #25
Merge pull request #39 from jazzychad/whitelist_cmd

adds /whitelist command for ops
Changed /color to /theme and made mono theme default.
Added comments and /shutdown command.
Fixed typo