[This build not test completely, if you got any issues, please fallback to 2.1.2 and report them]
Add:
1. New tabcomplete system.
2. Purchase now support loanse
3. Purchase steps rewrited.
4. empty and refill permission issue.
5. New permission `quickshop.create.cmd` to control player use command to create shop to bypass region protection issue.

Changes:
1. Owner skip feature was removed.
2. Move developing env Spigot API version to 1.14.3
3. Drop 1.13, 1.13.1 support, 1.13.2 still in support.

Fix:
1. Log feature notworking.
2. Allow user choose use Vault or Reserve.

Api changes:
1. ShopSuccessPurchaseEvent now contains more useful data.