Bugfix: http://pastebin.com/F13Axnyy

Additional null checking resources related to Ambient Occlusion.

Signed-off-by: Mike Howe <dockter@almuramc.com>
Bugfix for: https://spoutdev.atlassian.net/browse/LEGACY-612

Please report again if you see this error.

Signed-off-by: Mike Howe <dockter@almuramc.com>
Update LWJGL dependency to 2.9.0 official release.
Modified bugfix for AO.

Signed-off-by: Mike Howe <dockter@almuramc.com>
Merge branch 'master' of https://github.com/Legacy/Spoutcraft
Update for Minecraft 1.5.2 and MCPatcher 3.1.0-beta4 changes.