Implement Leap Ability.

Entity based ability.
Merge branch 'master' into NoxMMO/Abilities
Add some partialy implemented files.
Merge branch 'master' into NoxMMO/Abilities
Merge branch 'NoxMMO/Abilities' into NoxMMO/AbilityDev
Many things fixed and implemented.

View source for better details.
PlayerClass Implemented.

Classes can now be made.