Aravis 0.9.1

• gv_interface: discovery interface selection (@yuhamag )
• system: add a way to select an interface (@EmmanuelP )
• chunk_parser: support for value selector (@EmmanuelP )
• camera: replace ctrea_strem_full by stream_create, break API (@EmmanuelP)
• gvcp, gvsp: make packet parsing more robust (@EmmanuelP)
• gv_stream: fix uninitialized data access (@EmmanuelP)
• tests: fix unaligned memory access (@matwey )
• introspection: annotation fixes (@jwahlstrand , @EmmanuelP)
• fake_camera: fix trailer packet content (Michail)