remove Metrics
* bump Bukkit Dependency to 1.7.9-R0.2
* deprecate API-methods using player names
* remove FlatFilePermission
* deprecate more methods using Player Names
rewrite to support UUIDs

* bump version to 1.0.0
* add migration to new Database format
* rewrite methods to use AUser Objects instead of Player-names
Add UUID support for group operations

Untested.