Bukkit

First version of the plugin
Added command /gravitygun
Added ability to lift mobs
Added ability to lift blocks
Added ability to drop blocks/mobs
Added ability to throw blocks/mobs
Created the config file
Made the gravitygun configurable in the config
Made the messages configurable in the config
Made the cool-down, the distance and the power configurable

#1: The blocks/entities that are lifted instantly drop down again.
#2: The cool-down doesn't work