Change to return proper MNC in case of CSIM - CM

As per spec C.S0065 section 5.2.2 MNC length in case of CSIM
IMSI is 2. So modify the code to return the MNC of proper length.

Change-Id: Id046b9ff3173c038fb2196e18625f077b1897beb
CRs-Fixed: 656508
Add ServiceStatus class for uniform capability handling - CM

Add ServiceStatus class to support different access tech and
create uniform way of storing information for local/peer ability
and service status updates

Change-Id: I418c273e8b7f4cd5912e9b9cde85e9d83419cbf4
CRs-Fixed: 639446
IMS : Notifying CallModifyRequest Fail or sucess - CM

1)Added new registrant to handle CallModifyRequest
Fail or success.
2)Added Error codes.
3)This will ensure failed response to be propagated
properly.

Change-Id: Ib5671d57e227e4e46bb548cb99703292eb6d4f6e
CRs-Fixed: 667503
IMS: Add API to set create time for a Connection. - CM

setCreateTime() API is added to Connection class so that
create time can be transferred from IMS to CS connection
during SRVCC.

Change-Id: I20dc536171e3e91ac13c0897bf2121c56762785b
CRs-Fixed: 682041