gstsctpclientsink: Code refactorization
gstsctpclientsink: Code refactorization

Change-Id: Ia567c009102f7aa5f450c3a18c03c6565f14d9d1

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