Changes:
- Fix PlayerMoveComponent prev assignment
- Minor JavaDoc changes
- Minor formatting

Signed-off-by: DziNeIT <dzineit@live.co.uk>
Minor changes including
- Move PlotType to it's own class file
-- Rename Plot.Type to PlotType
- JavaDocs

Signed-off-by: DziNeIT <dzineit@live.co.uk>