Improve skylands, The End and decorators

Signed-off-by: Aleksi Sapon <QcTechs@gmail.com>
Merge pull request #591 from DDoSQc/master

Improve skylands, The End and decorators
Unify package structure

remove 'plugin' and 'api' packages to provide a simplistic package structure

Signed-off-by: Nick Minkler <sleaker@gmail.com>

move data

move events, ai, commands

move util, config, chat, service, resource

plugin, more events,

materials

inventory, windows,  materials,

enchantments

prep protocol

last bit of fixes
finish imports and merge skylands additions.

Signed-off-by: Nick Minkler <sleaker@gmail.com>