1. created module bioinspired. 2.transfered Retina module into the new module bioinspired. 3. added a fast tone mapping method to Retina interface and wrapped existing reinafilter dedicated method
updated demos and tutorial regarding the Retina class transfer to bioinspired module.
minor correction after buildbot warnings
last warnings solved
Merge branch 'master' of code.opencv.org:opencv
added test to save image with webp with alpha channel
switched to Input/Output Array in gpuwarping functions
refactored gpu::ImagePyramid (converted it to abstract interface)
updated documentation
fixed test compilation for gpu::Stream
added support image with alpha channel
updated webp to version 0.3.1
python docs for non-local means denoising
retina included in namespace bioinspired + followed suggestions made by Vadim
Merge pull request #1068 from AoD314:webp2
Merge pull request #979 from jet47:gpuwarping-refactoring
updated doc wrt new bioinspired namespace convention
Merge pull request #984 from albenoit:master
Changed / for Matx to Matx::div, for symmetry with Matx::mul.
Fixed a build warning in softcascade.