Added custom slaynr (WIP)

Only for ULX and MySQL users (for now). The command is !autoslay and it
needs to be enabled on the config.
Fixed error and removed useless code
Autoslay error fix
Bug fixes
Created a new about button and added statistics

Statistics are MySQL only (for now)
Improvements and fixes
Fixed statistics-related errors
Fixed error
Revert "small grammar mistake"
Merge pull request #30 from Tommy228/revert-23-master

Revert "small grammar mistake"
Revert "Fix compatibility for custom weapon bases"
Merge pull request #31 from Tommy228/revert-19-master

Revert "Fix compatibility for custom weapon bases"
Revert "Fixes for errors posted on facepunch"
Merge pull request #32 from Tommy228/revert-18-master

Revert "Fixes for errors posted on facepunch"
Merge pull request #29 from Tommy228/experimental-shit

2.0 version
Merge branch 'orginal'