CUDA toolkit support added to crosscompilation toolchain.
TBB build for arm linux fixed. Processors count detected correctly.
Carma board support fixed.
Use gtest assertions in cascade test

This simplifies test debugging a lot
Merge pull request #441 from jet47:filter-speckles-8u
Try to fix Mac compilation issue.
Merge pull request #443 from taka-no-me:fix_cascade_test
The next attempt to fix a build error on Mac.
Fix some warnings from -O0 build
Merge pull request #444 from taka-no-me:fix_o0_warnings
Code review issues fixed. Compatibility issues fixed.
Added --failed-only option and multiple input files support
BP doc change according to Adrian's request (OpenCV book co-author)
some bugs fix in using AmdFft library
add +-*/ operators to oclMat
15-puzzle app reverted to usage of old CvCameraViewListener implementation;
super.onPause() call moved to begining of onPause method according Google recomandations.
Code review notes fixed;
HardFP and SoftFP toolchains joined to one;
RPATH skiping added.
Tutorial 1 renamed
Tutorial-2 removed as dublicate of tutorial-1 and image manipulations sample.
Tutorial-3 removed as dublicate part of tutorial-4.