Don't get blockClicked in air click PlayerInteractEvent handling

Signed-off-by: Ross Allan <rallanpcl@gmail.com>
Make PluginClassLoader threadsafe, fixes #817

Signed-off-by: Ross Allan <rallanpcl@gmail.com>
Merge pull request #821 from nallar/MC147

Avoid chunkloading in CraftEventFactory when loadChunkOnProvideRequest is enabled. Fixes #817
If the class is already set in the classes map in PluginClassLoader, check if it's set to something different to what we were setting it to before spamming console with non-errors.

Signed-off-by: Ross Allan <rallanpcl@gmail.com>
Merge pull request #825 from nallar/MC147

If the class is already set in the classes map in PluginClassLoader, check if it's set to something different to what we were setting it to before spamming console with non-errors.
Fix world gen issues with Forge's generateWorld callback hook. Fixes #424
Comments and added missing portal mod fix
Merge branch 'MC147' of git://github.com/MinecraftPortCentral/MCPC-Plus.git into mc147