Create a PID file for each world server on startup
Add a global for the location of versions.json
Get the release time of a Minecraft version
Add a method to compare datetime strings
Method to compare two Minecraft version numbers
Remove extra CR+LF chars from command
Overviewer: use tellraw when available, simplify method
Merge pull request #59 from sandain/json-new

Merge the json branch
Simplify sendCommand
Add a link back to the Overviewer website
Add support for /etc/default/
README: add a note about the defaults file
Add a note about how to add a BungeeCord server
Delete old server jar files when updating
Delete old client jar files when updating
Merge pull request #60 from sandain/master

Merge master into the restore-backup branch