added gamescreen and worldrenderer
Skills
shitty implementation
added control flow and game loops for BattleScreen, MainMenu, others

implemented Assets skeleton
implemented Overlap collision testing
added skeleton files for Rendering, etc
Updates

Added a tank and speed class with the skills in the respective class.
Updated class Enemy, Monster, Character, Warrior, PlayerCharacter to
have the respective inherited stats. Updated SkillTree
Merge branch 'Skills': merge minh and eric's development
ended merging of development branches

development still halfway done on features; expect new branches