Revert "STABLE CHECKPOINT:added reprojection of point cloud and a decent gui"

This reverts commit ce1012b079ab9004eb7eab8bd901beb90d1c3687.
temporary commit
failed merge
unstable: major changes to add tracking

High speed tracker is segfaulting, not committed yet.
Changes:
1. Add tracking (6Dof Fwd, slow)
2. Provide depthmap accessor to cost volume
3. Added a neat "quiet" utility to silence debug info per file
4. Make initOptimization threadsafe after first call
5. Solved a nefarious pass by reference bug
6. Add derivations of my magic camera matricies
7. Add z-buffering to projeciton code
8. Add occlusion detection by color
9. Convert graphics to queue so things go in order
10. Probabalistic debugging output where too much data
11. Add Lie group processing utils
unstable merge
Merge branch 'master' of https://github.com/anuranbaka/OpenDTAM into stable

Conflicts:
	Cpp/CMakeLists.txt
Merge branch 'stable'

Conflicts:
	Cpp/CMakeLists.txt
	Cpp/CostVolume/CMakeLists.txt
	Cpp/CostVolume/Cost.h
	Cpp/CostVolume/optimizer.part.cpp
	Cpp/CostVolume/updateCost.part.cpp
	Cpp/CostVolume/utils/reprojectCloud.cpp
	Cpp/CostVolume/utils/reprojectCloud.hpp
	Cpp/graphics.cpp
	Cpp/testprog.cpp