Updated Abilites.JS and AbilitySelection.JS

The Ability page of Overload now displays the tooltip when hovering over
the ability listed. Each ability has its own listing with the tooltip
and will updated as the ability is upgraded.
Added textures (basic) so all of the Overload ability levels have their
own texture.
When an ability is leveled 1-3 it changes the main page to match the
texture and name to the current level of the ability.