Initial DuCTT model
Adding initial DuCTT model for real
Uncommenting accidentally commented line
Merge branch 'master' into DuCTT
Changes to accomodate changes in World config init.
Got the two rod in each prismatic actuator connected to each other. Can't seem to connect them to the model though.
Got the prismatic constraint successfully into the world
Adding constraints to bullet dynamics world
Fixing double-free bug
Moving most includes into cpp to conform to coding standards
Merge branch 'DuCTT' of github.com:NASA-Tensegrity-Robotics-Toolkit/NTRTsim into hillyTerrain

Conflicts:
	src/core/tgWorldBulletPhysicsImpl.cpp
Now allows margin to be > 1
Changed collision margin comment