- previous pull request: https://github.com/Itseez/opencv/pull/3340

Need to initialize boolean variable pass2Only, otherwise the result is not predictable

if points0 is empty checkVector(2) return -1, it causes the exception

Conflicts:
	modules/calib3d/src/fundam.cpp
	modules/calib3d/src/rhorefc.cpp

Fix the issue given NULL inlMask

Fix the issue given NULL inlMask

Fix the issue given NULL inlMask

Fix the issue given NULL inlMask

Fix the issue given NULL inlMask

Conflicts:
	modules/calib3d/src/rhorefc.cpp

Previously, certain test failures by the method RHO would result in an
error blaming RANSAC instead. The fix involves a parameter change to
several functions in test_homography.cpp.