Made tweaks and changes, etc.

~Made sure none of the parts referenced .DAE models.
~Tweaked dead weights' mass to match that of lead.
-Removed thrust vector engine.
+Added thrust vector capability to the normal engine.
+Added a 2m battery bank.
~Updated Included Treeloader package
~Moved tritium tanks from control to propulsion so people can find them.
Added tweakable support
Added new part models. Tell me what you think.
Fixed reported bugs

~changed the standard engine model to be able to have a gimbal animation
~fixed node locations of the stack probe cores
Finalized bug fixing
Tweaked new tech tree
Fixed strut textures

maybe....
Revert "Fixed strut textures"

This reverts commit 22461bb8229fb0d457d9ec7d6378296ade99f5f0.
Fixed strut textures
Made publish-ready
Merge pull request #1 from JandCandO/Experimental-Test-Branch

Experimental test branch