Preliminary port for gstreamer

Signed-off-by: Vassilis Laganakos <vassilis@einval.com>
Correct the CATEGORIES devel to multimedia

Signed-off-by: Vassilis Laganakos <vassilis@einval.com>
Preliminary port for sqlite3

Signed-off-by: Vassilis Laganakos <vassilis@einval.com>