Merge pull request #18 from TehRainbowGuy/master

Fixed: Infinite loop when setting time to -1 when using smooth time changes.
Updated: We use Maven
Merge branch 'master' of https://github.com/RoyalDev/RoyalCommands
Moved: Readme to root
Fixed: Check for -SNAPSHOT not pre in update checker
Moved: LICENSE to root
Updated: Add Maven information to README
Added: The command /rocket.
Merge pull request #23 from LordTunix/master

Added: /rocket
Merge branch 'master' of https://github.com/RoyalDev/RoyalCommands
Updated: Code style