Follow up 0081e25, 8a723ee (msg_conf stuffs)
- Revert MAP_MAX_MSG to 1500
- Moved some messages to empty spaces
- Added warning message if msg_number is invalid when msg_conf files are being read
- And minor stuffs

Signed-off-by: Cydh Ramdh <house.bad@gmail.com>
Merge pull request #66 from cydh/master

Follow up 0081e25, 8a723ee (msg_conf stuffs)