Added nativeSocketFd__ impelmentation for Apple fixes #3
Samples and tests which require FFmpeg and OpenCV now honour HAVE_FFMPEG/OPENCV flags fixes #4
Added fs::savefile method
Updated samples to use new API fixes #5
Added crypto::checksum method for computing file checksum using MD5/SHA1
Renamed crypto::computeHash to crypto::hash
Moved Stream from net to base library
All singletons now use ::destroy instead of ::shutdown method
Moved Pacm to separate repository
Updated src .gitignore to ignore all except core modules