Cleaned up some Node/Grid code
Merge branch 'master' of https://github.com/oliverwkim/cs51-project
variou fixes to LPAstar
DStar works, kinda
Merge branch 'master' of https://github.com/oliverwkim/cs51-project

Conflicts:
	CS51Project/bin/GUIPanel.class
	CS51Project/src/GUIPanel.java

asdf
Merge branch 'master' of https://github.com/oliverwkim/cs51-project

Conflicts:
	CS51Project/bin/GUIPanel.class

asdf
made gui changes work