MOTD Message tag, /say command, line endings

When the MOTD message is being sent to players, it now shows up locally
as "MOTD".  Sends the MOTD at after the # of players during handshake.
Say command formatted as /say <-u username> [message] and errors to the
screen any formatting issues.  Fixed line endings in serverSettings.cs
Merge branch 'master' of https://github.com/TehGimp/KerbalMultiPlayer
Merge pull request #265 from Wetmelon/master

Add MOTD Message tag, /say command, line ending fixes.