kmswebrtcendpoint: generate fingerprint from certificate
kmswebrtcendpoint: generate fingerprint from certificate

Change-Id: I98056d7cff7e877546070c004c7bb1a64bd5a36b

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