Refactored utility functions
Improved constants
Return type of alignment
Basic Loop Closure

Forces all planes to be perpendicular
Added loop closure options to globalreg app
Only do angle closure on aligned walls
Don't modify tgtplanes in correspondence finding
Added translation closure
Added last-to-first loop closure
Fix bug with loop closure output
Faster alignment by subsampling correspondences
Fix bugs with >3 correspondences
Added preprocess script for Poisson
Modify reprojection I/O for real data
Improved radiance file output
Basic exposure latency test
Merge remote-tracking branch 'origin/master' into realinput

Conflicts:
	inverse_render/colorhelper.cpp
Combine imagelist and camfile
Assume all files are hdr
Add hemicube resolution as parameter