Proper file extensions help 'copyright header checker' find files
that should contain copyright info. Extensions also clearly indicate
file type, and help to fit in with the file naming convention.
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
Test files and directories permissions of git repo,
build artifacts and installed files.
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
