kmsutils: Improvements to rembmanager
kmsutils: Improvements to rembmanager

Change-Id: I9aa3b294b1324eb9589f777796bccdb499e9f5c9

Kurento/kms-core,TribeMedia/kms-core,ESTOS/kms-core,Kurento/kms-core,Kurento/kms-core,Kurento/kms-core,shelsonjava/kms-core,TribeMedia/kms-core,shelsonjava/kms-core,ESTOS/kms-core,shelsonjava/kms-core,shelsonjava/kms-core,ESTOS/kms-core,ESTOS/kms-core,TribeMedia/kms-core,TribeMedia/kms-core