HttpEpServer: Emit URL_EXPIRED signal when eos is detected in the endpoint
HttpEpServer: Emit URL_EXPIRED signal when eos is detected in the endpoint

Change-Id: I62a3a5dd5bd17aea43200cc264ad66a3af8ee6c5

shelsonjava/kms-elements,TribeMedia/kms-elements,shelsonjava/kms-elements,Kurento/kms-elements,TribeMedia/kms-elements,Kurento/kms-elements,shelsonjava/kms-elements,Kurento/kms-elements,TribeMedia/kms-elements