removed silly files
missed a couple
renamed files
cleaned up makefiles and domain main files as well as removed the unknowngridnav stuff because it doesn't make sense under the current search framework
Merge pull request #28 from skiesel/rtscleanup

Remove poor-performing real-time search algs and the unknown grid domain.
Remove bad Makefile includes.
Remove reminants of removed searches and domain.
Fix dependency building with clang.
Remove a .d file from version control.
Add ArastarNORA.

It uses the NORA stopping criteria to optimize goal achievement time in ARA*.
Add copyright information to source files.
Merge branch 'master' of git://github.com/eaburns/search