More Documentation & Minor Changes

1. Updated all multi-dimensional arrays to jagged arrays for increased
ease of use and performance.
2. Removed HighMonster as the need for it was removed by some previous
changes to FighterComponent.
3. Fixed a few placeholder constructors argument order to clear errors.
4. Renamed xOrder in HighActor to xSkills for clarity, and converted all
Skill[] to List<Skill> so they may be initialized smaller to reduce
build time and save memory.
5. Heavily altered HighActor's constructor.
6. Finished writing/updating documentation for all classes in the Entity
Related folder.