Metadata: Add test for propagation of meta data
Metadata: Add test for propagation of meta data

Change-Id: Idde88543968be586592a49abd4945ba42075dfc9

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