Aravis 0.8.22

• camera: new network command for IP settings (@romainreignier, @mshr-h)
• camera: don't fail if TriggerSelector is not available (@romainreignier)
• camera: make region setting work even without Offset features (@EmmanuelP)
• camera: allow frame rate setting during acquisition on more devices #683 (@EmmanuelP)
• gstplugin: allow low frame rate with external triggers (@TIS-Edgar)
• genicam: list for forced legacy mode (@romainreignier)
• genicam: access mode check policy (@EmmanuelP)
• genicam: fix inifinite loop during availability check #678 (@EmmanuelP)
• u3v: use libusb device-left event for control lost detection (@EmmanuelP)
• genicam: fix information loss #656 (@EmmanuelP)
• fake_camera: add TriggerSoftware support (@romainreignier)
• build: appdata fix (@cmarmo)
• build: disable documentation by default (@EmmanuelP)
• tests: fix ChunkFloat test on big endian platform #670 (@EmmanuelP)
• introspection: fix user_data_destroy_func annotations (@tpwrules)
• misc: memory leak and warning fixes (@EmmanuelP)