fix: drop transient items when player loses connection

Bump version from 1.1.11-SNAPSHOT to 1.1.12

Fix Door duplication bug (#184)

fix: drop transient items when player loses connection

Improve shutdown logic when Bukkit.Shutdown() is called.

Merge remote-tracking branch 'origin/master'

Add pull request template

Force remove an EntityItem entity if it contains an unknown item id (#175)

Add getPlayer(UUID) method on Bukkit

Added config option to always use offline UUIDs (#173)

Updates version to snapshot and adds Maven info

Update maven build info

Test maven auto-deploy

Merge remote-tracking branch 'origin/master'

Bump version from 1.1.10 to 1.1.11