convolution kernel use default queue to run, so that ocl::Timer
, to measure the kernel run time, should use the default queue too.
Also remove useless parameter for convolve()
Signed-off-by: Wu Zhiwen <zhiwen.wu@intel.com>

Added Python setup docs for Ubuntu Machines (#10056)

Allow to specify optimization level via CMake.

Add Android Mat constructor with support for native buffer (#10050)

Add layer forward interface with InputArrayOfArrays and
OutputArrayOfArrays parameters, it allows UMat buffer to be
processed and transferred in the layers.
Signed-off-by: Li Peng <peng.li@intel.com>

* Improve Documentation
Fixes Spelling Mistakes.

Fix sample code in js_tutorials

git: .gitignore update

ignore all "dot" files/directories by default.
'ignored' files can be added via 'git add -f' command if necessary.