fixed elif/elseif issue that excluded HAVE_COCOA on OSX
isnan is not in all math.h implementations but is in all cmath
removed accidental printout
cleaner to include only isnan
replaced isnan for cvIsNan
fixed case error in using cvIsNaN and replaced define for typedef
Hard-coding to make qtkit appear again
Introduced HAVE_QTKIT to allow using QTKit
quicktime and clang
reverted head. fixed cvIsNaN case issue
reverted QTKit-related commits

This reverts commit 956813bdd5e7940d33084b2c42d60500d3e651dd.
Revert "quicktime and clang"

This reverts commit 06a8a032a39a581368e116d78cf26e87e933e0a9.
Revert "Introduced HAVE_QTKIT to allow using QTKit"

This reverts commit b4c198986070141635c09217b55f6c41bd1765e0.
Revert "Hard-coding to make qtkit appear again"

This reverts commit 6751403646825552f8249be3d659d27c7404fc06.
removed uint define as it is now in cvdef.h
removed clang/cstdint fix (useful for OSX systems compiling with std=c++11 but not stdlib=libc++)
Merge branch 'fixingCompilationOnOSX' of https://github.com/kamjagin/opencv into fixingCompilationOnOSX