Rewritten plugin messages, vanilla are being parsed directly.

This should finally fix the compatibility problems between 1.7 and 1.8 protocols with the changes in the vanilla plugin messages.
Fixed 1.8 doors.
Fixed iron trapdoors
Fixed a missing semicolon.
Fixed 1.8 dirt types
Merge pull request #1485 from mc-server/PluginMessages

Rewritten plugin messages, vanilla's are being parsed directly.
Code improvements
Merge pull request #1487 from mc-server/BlockFixes

Block fixes
Removed WSSCompact
Merge pull request #1490 from mc-server/removecompact

Removed WSSCompact