Merge pull request #22 from sorflex/devel

Testing, Standardized LF
test BOW only when built. Find UnitTest++ on *nix.
LibArchive, UnitTest++, Ice, and OpenCv 3rdparty dependencies added to CPack zip output.
Merge remote-tracking branch 'jcdevel/devel' into devel
no Service.ice 'install'
CPack packs unittest, libarchive, Ice on OSX
fixed up doxygen comments and unnecessary cvac:: qualifiers