Kills To Level Tracker

features:
    -added the ability to show or hide the background image of the boar.
    -changed the font for the settings screen to better match the addon ui

fixes:
    -fixed an issue where the list of saved kills was not reducing if you changed the setting to be lower.
    -changed saved variables from account wide to character variables
    -fixed a potential issue with a saved variable "killsToRemember" where one entry was capitalized.