Adds linear interpolation
Merge remote-tracking branch 'michael/precolor'
Refactors and makes the code compilable
Updates priority queue to take double as priority
Adds seperate files for grid
Doesn't segfault
Hooks up display code
Adds triangle edge drawing for debugging
Fixes many major bugs in simplifier
Fixes enough bugs that works on test2.asc
Cleans up and adds grayscale images to test on
Fixes graypuppycorrect.asc
Fixes major bug in initializing visited flag
Fixes bug in data and diagonal triangle initialization bug