Convert bash scripts to rake

This is a step towards making it easier to compile on all platforms. There are a still few commands that need to be converted and I have yet to find a good solution for a few of them.
Fire PlayerInteractEvent when anyone steps on a pressure plate, fixes #2

In order to not spam the PlayerInteractEvent, we need to keep track of wether or not a plugin allows/denys a player.

This does modify PlayerInteractEvent firing, but it shouldn't be 'breaking'.
Add some optimizations from EcoCityCraft/Spigot [needs testing]
Remove netty, way too much CPU usage
Add a fix for BUKKIT-2578
Fix updating in rakefile
Sort patch files to ensure correct application order