* Update to properly find the compiler tools for MSVC 2017

* FindCUDA: Fix the MSVC 2017 compiler tool locations

Signed-off-by: Li Peng <peng.li@intel.com>

Save video file (#10502)

replaces REUSE_DNN_MEMORY compile-time option

Bitwise "and false" is always false.

* Add a parameter labels to command line

* default value

* samples: caffe_googlenet.cpp minor refactoring

Signed-off-by: Li Peng <peng.li@intel.com>

Signed-off-by: Li Peng <peng.li@intel.com>

prepareData() bug feeds the same image (the latest)
OCL perf test doesn't pass accuracy(!) check now, so this check is disabled.

warning: 'layout.channel_layout::gchan' may be used uninitialized in this function [-Wmaybe-uninitialized]

warning: comparison between signed and unsigned integer expressions [-Wsign-compare]

* Load and save tiff images in CV_32FC1 format (1 channel of floats).

* Add test

* Fix error handling and resources leak. Improve test.