Changelog
-----------

-Added-
= added GroupPathfinder.java which is used to move groups of pathfinding entites and spaces them out in a formation
= added Unit trajectory renderer, which draws a white line to the destination of the unit

-Changed-
= changed Pathfinding thread pathfinding entities can now remove their requests as to not clog up the thread with junk calculations
= changed Variables class so it now includes the spacing constant
= worker now adds itself to the group pathfinding calculator instead of moving itself

Signed-off-by: Wasabi_Snorter <gendevelopmentemail@gmail.com>