Merge pull request #13 from doug1/master

Add google test 1.7 includes
Finish Pathfinder boundary checks
Merge pull request #14 from doug1/master

 Integreate vendored Google Test
Clean up on gtest stuff
Merge pull request #15 from doug1/master

Fix google test library path
Getting tests working more
Merge branch 'master' of github.com:jdmack/TLB
Add more gtests BS to gitignore
Add pathfinder tests
Improved readability in Pathfinder
Remove redundant checks in Pathfinder
Add xml file for zombie1 sprite
Merge branch 'master' of https://github.com/jdmack/tlb
Change dot rotational velocity constant
Add rapidXML library for sprite parsing
Add zombie1 xml filename to assets.h
Add xml parsing to sprite generation
Rename Dot to Entity
Add todo file
Move movement update code to MovementAction

NONFUNCTIONAL at the moment