Adds samples for Java and Scala
Added a desktop Java tutorial
removed libstdc++ dependency
Detect version of clang compiler
Add OpenCL section to status report
Add separate status section for java
Use git describe to get source control version
Detect and report parallel framework used
added dual tvl1 optical flow implementation
Merge pull request #483 from taka-no-me:cmake_tweaks
added dual tvl1 optical flow gpu implementation
added enqueueHostCallback method to gpu::Stream
added gpu compare with scalar
added mask support to gpu norm and sum
added gpu::normalize function
added gpu::HoughLinesP function
added gpu BM optical flow implementation
added Warp::reduce function
added gpu optical flow sample
added perf4au app