Custom spam actions

[Innectic]

Users should be able to choose the actions to take on a user for spam.

!spam emote ban
!spam emote timeout
!spam emote purge

[Alkali-Metal]

Also, a warning option:

!spam warning 2

(takes 2 warnings then does the action)

[RPiAwesomeness]

Made some minor progress towards this in the API: CactusDev/CactusAPI@92a2027