Adding stencil buffer changes
Added in concavity test and a function to detect whether the polygon
is drawn clockwise or counterclockwise.
Added temporary fill test, still working on it
Commit with all undergrad base things almost working.  Setting up to
change the in Polygon test
Changed inside test to dot product, but still doesnt full work
Working on the polygonal holes, inside/outside
Added gitignore
Polygonal and Circular Holes working with all cases.
Merge branch 'master' of ssh://bitbucket.org/soptnrs/polygontool
Revert "Added README"

This reverts commit 2d2a3b88da0edf528f57f69643e42acf2ad3ee11.
Revert "Revert "Added README""

This reverts commit b7ed11789cc03aa4de916f038e313c1f5c0627cf.
Fixed headers