po: update POTFILES.in
po: update POTFILES.in

https://bugzilla.gnome.org/show_bug.cgi?id=703682

Lachann/gstreamer,centricular/gstreamer,krieger-od/gstreamer,jpakkane/gstreamer,lovebug356/gstreamer,centricular/gstreamer,surround-io/gstreamer,ensonic/gstreamer,ensonic/gstreamer,cablelabs/gstreamer,shelsonjava/gstreamer,cablelabs/gstreamer,krichter722/gstreamer,justinjoy/gstreamer,jpakkane/gstreamer,justinjoy/gstreamer,jpakkane/gstreamer,centricular/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,krichter722/gstreamer,cfoch/gstreamer,jpxiong/gstreamer,lubosz/gstreamer,jpakkane/gstreamer,mparis/gstreamer,cfoch/gstreamer,jpakkane/gstreamer,cablelabs/gstreamer,Lachann/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,collects/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,surround-io/gstreamer,StreamUtils/gstreamer,collects/gstreamer,surround-io/gstreamer,mparis/gstreamer,lovebug356/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,centricular/gstreamer,shelsonjava/gstreamer,krieger-od/gstreamer,jpxiong/gstreamer,krichter722/gstreamer,cfoch/gstreamer,lubosz/gstreamer,surround-io/gstreamer,lovebug356/gstreamer,StreamUtils/gstreamer,StreamUtils/gstreamer,cablelabs/gstreamer,justinjoy/gstreamer,lubosz/gstreamer,krieger-od/gstreamer,centricular/gstreamer,lovebug356/gstreamer,jpxiong/gstreamer,justinjoy/gstreamer,cfoch/gstreamer,collects/gstreamer,krieger-od/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,lubosz/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,krichter722/gstreamer,mparis/gstreamer,mparis/gstreamer,Lachann/gstreamer,lovebug356/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,ensonic/gstreamer,mparis/gstreamer,cablelabs/gstreamer,collects/gstreamer,shelsonjava/gstreamer,ensonic/gstreamer,collects/gstreamer,Lachann/gstreamer