Merge pull request #12 from flungo/master

Added plot build height functionality.
changed reference to bukkit 1.6.4
Minor fixes

- Fix permission typo
- Added a serial to the delegate thing because eclipse suggested it
- Removed genmanager from the Sql class
- Updated to Bukkit 1.6.4 so added deprecated where needed. We can fix
those once bukkit has an alternative
Ignoring nb-configuration from git
Merge upstream/master into project

Conflicts:
	plugin.yml
	pom.xml