Merge pull request #214 from jmunk1/bugfix-2610

Fixed typo in OpenCVDetectOpenCL.cmake that resulted in cmake not findin...
Merge pull request #213 from qwaker00/patch-1

Update modules/ml/doc/gradient_boosted_trees.rst
Merge pull request #206 from asmorkalov/manager_version_fix

Bug #2595 in OpenCV Manager fixed.
Merge pull request #205 from taka-no-me/gtest_r629

Update googletest to the latest upstream
Merge pull request #204 from asmorkalov/manager_internal_lib

Feature #2565 implementation
Merge pull request #203 from asmorkalov/android_cam_stub

Native camera warper libraries build improvements
Merge pull request #212 from taka-no-me/fix_2602

Prevent imread from illegal memory access (Bug #2602)
Merge branch 2.4
Merge branch master into cuda-dev
fixed gpu warpAffine and warpPerspective with NPP
Tag "safe to remove" added to unused packages;
OpenCV Manager version++.
fixed remap and warp gpu tests
sse2 version of resize area fast for types CV_(8, 16)UC(1, 3, 4)
Installation of documents fixed.
add preprocessing only function
optimize hog bin computing
hack luv
add resize
Corrected sanity checks in several perf tests

Also fixed a typo in performance testing framework and removed hardcoded
temporary file name from highgui perf test
integrate speprocessing strategy