linux warning fix
Merge pull request #557 from jet47:gpu-sanity
Merge pull request #573 from jet47:config-cross-compilation
Merge pull request #578 from jet47:nmake-ffmpeg-copy
Fix ocl::HOG crash on Intel OCL
OpenCV version swithed to 4 digit in GUI and package revision number.
Merge pull request #582 from bitwangyaoyao:2.4_fixBlend
Merge pull request #584 from bitwangyaoyao:2.4_perfTest
Merge pull request #572 from asmorkalov:manager_4_digit_version
Merge pull request #570 from taka-no-me:fix_android_cmakeconfig
adding/fixing version suffix for desktop java library on all OSes
updating samples to load JNI lib with correct suffix
Honor 2-digit python version
fixed gpu sanity tests
adding more version-related variables
patch -> revision
Merge pull request #525 from odeniz:2.4
Merge pull request #585 from bitwangyaoyao:2.4_SURF
Merge pull request #587 from bitwangyaoyao:2.4_fixHog
Merge pull request #589 from taka-no-me:2digit_pyversion