New commit message format
+ Default config files included
+ MOTD read from config
+ ServerStats.numPingRequests increments properly
+ WorldServer.createWorld stores world and returns it
+ Creates separate log file for last run (last.log)
* Redesigned generator and save handler mapping classes
* GameParameters stores hard-coded parameters for the time being
* Moved IChunkProvider to minemaster.game.world
* WorldServer constructor no longer takes an ISaveHandler (use
WorldServer.useSaveHandler to change it at any time)
- Removed IWorldGenerator.isChunkGeneratedAt
- Removed duplicate class WorldGeneratorChunkProvider
- Removed WorldServer.tickWorlds
~ (I) NullPointerException upon player connecting

Signed-off-by: Quarzekk <quarzekk@gmail.com>