Fix dispose operation in POST method
Fix dispose operation in POST method

Change-Id: Ie0adfaea3f152cb560a90cc96dc288a5e2ddf605

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