Each time a portal block receives a tick it has a 1 in 500 chance of spawning a zombie pigman.
A portal block now chooses a number between 2000 and 0
Fixed compile problem.
Merge pull request #995 from mc-server/Portal_Pigman

Portal zombie pigman
Fixed the console saying no plugins are loaded.
Merge branch 'master' into chunksparsing/structs
Fixed stupid error