UltimateMobCoins

Changes:

• Added permission ultimatemobcoins.update-check that is required to receive notification about updates on join.
• Make sure to update the username of the player when it has changed.
• Added formatting_compact placeholders to miniplaceholders and placeholderapi expansion (See documentation).
• Properly refresh shop when the reset timer has passed.
• Added support for refresh-timer to shop to allow refreshing of non-rotating shops as well.
• Added shop with timer example menu.
• Fixed issue with permission for menus where in some cases permission plugins would check empty permission strings.
• Keep shop data persistent when reloading menus.
• Refactored code for the menus.
• The refresh shop action now completely refreshes the shop, and the refresh shop items action refreshes the items only (See documentation)