Fixed massive lag on LeaderboardFrame

Fixed massive lag when opening the Leaderboard Frame

Closes #617
Added loading message to the buttons lore
Previous and Next page buttons now hide if they have no use

Added GUI for 1.8-1.12

The artifact name for 1.8 to 1.12 changed to simpleclans-mc1.8

Fixed clan command

Fixed clan command not working on older Minecraft versions
Added messages for join/leave/mute/unmute chat #603
Fixed clan tag min length #608
Added a check for too long colored tag #598

GUI update!

Added a GUI to SimpleClans!

Test

v2.10.4

Removed old repo

v2.10.3

Fixed rank command and added new languages
Fixed globalff usage
Fixed Russian translation for the ff commands ("allow", "block" and
"auto")

v2.10.2

Now saving periodically to db
Added update checker

v2.10.1

Added PlaceholderAPI support

v2.10.0

Merge branch 'master' of https://github.com/marcelo-mason/SimpleClans…

….git

v2.9.1

SQLite queries use threads if enabled
Fixed last seen not updating
Fixed weird space in Menu command
Fixed Menu command messages getting cropped
Fixed Mojang URL
Added Metrics