Testing depth first search
tranformation matrix added
Modifying the readme
all the files tracked now
Merge branch 'master' of https://github.com/mefox/robotautonomy_hw2

Conflicts:
	database/kinematics.c9e5215735aecb79c5312f66d75d8bff/ikfast61.Transform6D.0_1_3_4_5_6_f2.cpp
	database/kinematics.c9e5215735aecb79c5312f66d75d8bff/ikfast61.Transform6D.0_1_3_4_5_6_f2.pp
	hw2_search.py
Merge branch 'master' of https://github.com/mefox/robotautonomy_hw2 into ankit

Conflicts:
	hw2_search.py
test
updates to transition matrix and depth first search
Blah
Merge branch 'master' of https://github.com/mefox/robotautonomy_hw2 into ankit

Conflicts:
	database/kinematics.c9e5215735aecb79c5312f66d75d8bff/ikfast61.Transform6D.0_1_3_4_5_6_f2.cpp
	database/kinematics.c9e5215735aecb79c5312f66d75d8bff/ikfast61.Transform6D.0_1_3_4_5_6_f2.pp
	hw2_search.py