Check command cost permissions prior to teleporting.  Fixes ESS-4918
Add {4} to homeSet TL key, this contains the name of the home being set.
Better matching of zombie and skeleton mobdata to avoid confusion.
Use Ant to replace GroupManager's plugin.yml version
Pull geoip library from Maven
Add aliases to stationary water & stationary lava

New changes:
stillwater is an alias to 9:0 (Stationary water)
stilllava is an alias to 11:0 (Stationary lava)
Travis - use Maven to build
Remove Ant, migrate Netbeans code style to pom.xml
Use the Essentials Maven repository
Add deploy plugin