Added float, uint64, and uchar params to Algorithm
Made changes to work in cv::Algorithm with parameters of these types.
Also fixed SimpleBlobDetector -- now it can be created by
cv::Algorithm::create and it can work with cv::Algorithm::set/get.
Try to fix Mac compilation issue.
The next attempt to fix a build error on Mac.
Removed urequired functions
Changed error message in Algorithm::get.
Added smile detector
Update samples/c/smiledetect.cpp

- Changed to floating neighbor maximum mode
- Fixed some previous errors.
Update samples/c/smiledetect.cpp

Fixed isdigit() Android build error
Remove the perf running from ocl::matchTemplate accuracy tests
fix the haar kernel problems on Nvidia and Intel OCL
some cleanup
fix mismatch of WarpAffine
remove the empty implementation when HAVE_OPENCL not defined
Update doc/tutorials/core/adding_images/adding_images.rst

Quick fix for: http://code.opencv.org/issues/2803
Merge pull request #536 from bitwangyaoyao:2.4_fixHaar
Merge pull request #535 from bitwangyaoyao:2.4_clean
Merge pull request #537 from bitwangyaoyao:2.4_fixWarpAffine
Merge pull request #538 from NCBee:patch-2
Added implementation for RGB to YUV420p color conversion
updated the ocl module introduction