Amend: Updated comment in StoreRetrievedData.
Removed separate messageing to clear BandwidthSubscriptions.
Add fix and test case for SBN deserialization with content following the ending xml tag.
Removed unneeded changes.
Added XmlWMOMessage class.
Change-Id: Iadef7070a42a10661ba9316a4900a071820296fd
Former-commit-id: 0b667fbd94788a8a5b598ae5f5586d4b710518a4