isn't being computed correctly" debugging check inside the structural SVM
solver.

Previously, the elements of the vector were returned by reference which is
problematic for std::vector<bool>

in color instead of always converting to grayscale.

on windows.

building dlib as a shared library.

build to use fftw.

the quality of a track association function.

to move to a new position but was random amongst all permutations with such
moves.  However, this isn't really fully random so this function has been fixed
so it does exactly what the spec says it should.