Post messages to bus when pointer is in/out window
Post messages to bus when pointer is in/out window

Change-Id: Idcb24248b3b253b0b98a35e0c032a77b2b2c0e0b

TribeMedia/kms-core,Kurento/kms-core,KurentoLegacy/gst-kurento-plugins,shelsonjava/kms-core,ESTOS/kms-core,ESTOS/kms-core,Kurento/kms-core,TribeMedia/kms-core,Kurento/kms-core,Kurento/kms-core,shelsonjava/kms-core,TribeMedia/kms-core,TribeMedia/kms-core,ESTOS/kms-core,shelsonjava/kms-core,KurentoLegacy/gst-kurento-plugins,KurentoLegacy/gst-kurento-plugins,shelsonjava/kms-core,ESTOS/kms-core,KurentoLegacy/gst-kurento-plugins