[uPermissions] Load/Save Yaml permissions file.

Signed-off-by: Nauthul <axel.evain@gmail.com>
[uPermissions] Default config file creation.

Signed-off-by: Nauthul <axel.evain@gmail.com>
[uPermissions] WIP, will not compile a this point
[uLock] Old version, working with MCPermissions 0.3

Signed-off-by: Nauthul <axel.evain@gmail.com>