* restore resize of carotene
  * clean up the source code
  * remove unused member function (Near)
  * add strict test on the border

  * use universal intrinsic instead of raw intrinsic
  * add 2 channels de-interleave on x86 platform
  * add v_int32x4 version of v_muladd
  * add accumulate version of v_dotprod based on the commit from seiko2plus on bf1852d
  * remove some verify check in performance test
  * avoid the out of boundary access and keep the performance

  * remove NVidia and Nvidia
  * replace Cuda with CUDA
  * keep the letters for API

 * remove unnecessary defines from vsx_utils
 * fix v_load_expand, load lower 64bit
 * use vec_ld, vec_st with alignment load/store on all types except 64bit
 * map v_extract to v_rotate_right
 * update license header
 * enable VSX by default on clang since #11167

* Updated warpAffine test to ensure bit-exactness for CV_8U

* Updated invertAffineTransform to bit-exact evaluation

* Added custom implementation for NxN bit-exact GaussianBlur

* Reworked fixedpoint interface a bit

* Reworked horizontal line estimation for bit-exact GaussianBlur

* Reworked vertical line estimation for bit-exact GaussianBlur

* Updated range estimation for vectorized part of bit-exact GaussianBlur evaluation

with 'CL=/permissive-'

CMake generated files is a part of target depends list.
Details: `cmake --help-policy CMP0058`

replaced to safe binary compatible 'rep; nop' asm instruction

* add LSD supportsVec4iResult

* LineSegmentDetector.drawSegments: support vector<Vec4i>

* test_lsd.cpp: replace detect()

* test_lsd.cpp: add compareSegments tests

* lsd.cpp: LSD.compareSegments support Vec4i

* test_lsd.cpp: fix trailing whitespace

Enable FP16 GPU target for DL Inference Engine backend.