add libgstcaches.so
add libgstcaches.so

Original commit message from CVS:
add libgstcaches.so

cfoch/gstreamer,jpxiong/gstreamer,justinjoy/gstreamer,magcius/gstreamer,surround-io/gstreamer,mrchapp/gstreamer,ahmedammar/platform_external_gst_gstreamer,collects/gstreamer,drothlis/gstreamer,shelsonjava/gstreamer,krieger-od/gstreamer,ahmedammar/platform_external_gst_gstreamer,krieger-od/gstreamer,centricular/gstreamer,jpakkane/gstreamer,justinjoy/gstreamer,lovebug356/gstreamer,magcius/gstreamer,Distrotech/gstreamer,collects/gstreamer,mparis/gstreamer,krichter722/gstreamer,cfoch/gstreamer,ensonic/gstreamer,StreamUtils/gstreamer,Distrotech/gstreamer,krichter722/gstreamer,jpakkane/gstreamer,krieger-od/gstreamer,surround-io/gstreamer,lovebug356/gstreamer,surround-io/gstreamer,mparis/gstreamer,ylatuya/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,jpxiong/gstreamer,cfoch/gstreamer,collects/gstreamer,centricular/gstreamer,ahmedammar/platform_external_gst_gstreamer,lubosz/gstreamer,lubosz/gstreamer,mrchapp/gstreamer,cfoch/gstreamer,lovebug356/gstreamer,collects/gstreamer,ahmedammar/platform_external_gst_gstreamer,ylatuya/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,lubosz/gstreamer,ensonic/gstreamer,cfoch/gstreamer,drothlis/gstreamer,ensonic/gstreamer,Lachann/gstreamer,Lachann/gstreamer,cablelabs/gstreamer,jpxiong/gstreamer,ensonic/gstreamer,collects/gstreamer,cablelabs/gstreamer,ylatuya/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,Distrotech/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,surround-io/gstreamer,centricular/gstreamer,Distrotech/gstreamer,cablelabs/gstreamer,centricular/gstreamer,shelsonjava/gstreamer,mparis/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,jpakkane/gstreamer,mrchapp/gstreamer,lovebug356/gstreamer,ylatuya/gstreamer,shelsonjava/gstreamer,mrchapp/gstreamer,mparis/gstreamer,jpakkane/gstreamer,shelsonjava/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,magcius/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,justinjoy/gstreamer,drothlis/gstreamer,justinjoy/gstreamer,krichter722/gstreamer,mparis/gstreamer,drothlis/gstreamer,ensonic/gstreamer,lubosz/gstreamer,Distrotech/gstreamer,StreamUtils/gstreamer,centricular/gstreamer,magcius/gstreamer,magcius/gstreamer,cablelabs/gstreamer,StreamUtils/gstreamer,mrchapp/gstreamer,lovebug356/gstreamer,krichter722/gstreamer,ylatuya/gstreamer,krichter722/gstreamer,ahmedammar/platform_external_gst_gstreamer,drothlis/gstreamer,cablelabs/gstreamer