fix #11699 Missing std header

via find_package(OpenCV)

2.4.13.7

backport 5128c1ff

Thread-safe version of sparse function in cv::gpu::PyrLKOpticalFlow 2

* Thread-safe version of sparse function in cv::gpu::PyrLKOpticalFlow
class. The new function name is sparse_multi

* Thread-safe sparse function in cv::gpu::PyrLKOpticalFlow. Tests

* Thread-safe sparse function in cv::gpu::PyrLKOpticalFlow class.

Add intel_TBB conditional compilation

tab to space

Fix build with FFmpeg 4.0

Backport of https://github.com/opencv/opencv/pull/10011.

2.4.13.6

6e8241b7

(2.4) backport imgcodecs fixes

435a3e33

imgcodecs: remove assert() usage

Origin commits:
- be524792
- 8a76fada

7bbe1a53

Add mask support to SimpleBlobDetector

backport 8e21f808

(2.4 backport) Fixed #10433

backport #10435

2.4.13.5

(2.4) cmake: update timestamp status

- avoid unnecessary rebuilding of OpenCV libraries
- use timestamp of the first launch of CMake
- to return to previous behavior use `-UOPENCV_TIMESTAMP` CMake option

original commit: 3e457952

- don't write into testdata directory
- check matrices instead of result images

(2.4) Fix build with Xcode 9.1

- 3rdparty/libjasper/jas_getopt.c:129:25: warning: this function declaration is not a prototype [-Wstrict-prototypes]
- clang: warning: optimization flag '-fomit-frame-pointer' is not supported for target 'armv7' [-Wignored-optimization-argument]
- clang: warning: optimization flag '-fomit-frame-pointer' is not supported for target 'armv7s' [-Wignored-optimization-argument]
- backport IOS_ARCH toolchain option and setup CMAKE_SYSTEM_PROCESSOR:
  - adds '-mfpu=neon' compiler flag for ARM, SSE flags for i386/x86_64
  - fixed proper libpng compilation (no ARM asm)

(2.4) cmake: fix pkg-config generation for MacOSX