Add support for Vault economy and permissions

Signed-off-by: Co0sh <coosheck@gmail.com>
Change updating process

Updating itself was moved to onDisable (better for servers restarting once a day)
Configuration Converter does not invoke itself multiple times now, it's all done
once. Names to UUID conversion can now happen event if not converting files to new
version. AutoUpdater will be now enabled by default.

Signed-off-by: Co0sh <coosheck@gmail.com>
Event command now accepts optional <name> argument at the end

Fix NPE when trying to fire nonexisting event
Readd Chinese translation by Macaron, it's working now

Signed-off-by: Co0sh <coosheck@gmail.com>
Add MythicSpawnMobEvent for spawning MythicMobs mobs

Move CitizensListener to citizens compatibility package
Rename stupid CubePeopleListener name to CubeNPCListener

Signed-off-by: Co0sh <coosheck@gmail.com>
Add book converter and fix book saving format

Fix a bug with new books format in 1.8

Signed-off-by: Co0sh <coosheck@gmail.com>