Updating data/te_data to allow null.
Merge branch 'master-mcpc-MC1.5-compat' of github.com:prism/Prism into master-mcpc-MC1.5-compat
Merge pull request #50 from MinecraftPortCentral/master-mcpc-MC1.5-compat

Fixed pom.xml to use latest CB 1.5.2-R1.1-SNAPSHOT
Merge pull request #51 from MinecraftPortCentral/master-mcpc-MC1.5-compat

Allow block data to be null.
Merge pull request #52 from MinecraftPortCentral/master-mcpc-MC1.5-compat

Added InventoryOpenEvent and InventoryCloseEvent.
Fixing column length of data length warning.
Merge branch 'master-mcpc-MC1.5-compat' of github.com:prism/Prism into master-mcpc-MC1.5-compat