* Remove Inference Engine 2018R3 and 2018R4

* Fix 2018R5

* Remove isIntel check from deep learning layers

* Remove fp16->fp32 fallbacks where it's not necessary

* Fix Kernel::run to prevent localsize > globalsize

* Remove a forward method in dnn::Layer

* Add a test

* Fix tests

* Mark multiple dnn::Layer::finalize methods as deprecated

* Replace back dnn's inputBlobs to vector of pointers

* Remove Layer::forward_fallback from CV_OCL_RUN scopes

* Support Mask-RCNN from TensorFlow

* Fix a sample

Enable Torch layers tests with Intel's Inference Engine backend.

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

during opencv_world builds

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

* Intel Inference Engine deep learning backend.

* OpenFace network using Inference Engine backend

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

getUMat()/getMat() calls are scope based. Results of these calls can't be
stored somewhere for future usage.

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>