Fix a bug in the openMVG/Split module. #201
restore OpenMP in CascadeHashing to hash all the input descriptors.
update comment.
Add: set initialPair by images name
Update main_IncrementalSfM.cpp

Fix typo
Merge branch 'pairlist' of https://github.com/baritone/openMVG into baritone-pairlist
Fix strange behavior on MSVC with the pair and min,max. Update the unit test to update code coverage.
Merge branch 'baritone-pairlist' into develop
Merge branch 'dev_namedInitialPair' of https://github.com/mikrosimage/openMVG into mikrosimage-dev_namedInitialPair
Repair initial behavior pair parameters (-a, -b are optional parameter) #200.
Merge branch 'mikrosimage-dev_namedInitialPair' into develop