Add SNMP alarm support to release-58
Add allocated flag to numbers pool
Change allocated
Merge pull request #79 from Metaswitch/iss62

[Reviewer: Alex] Add allocated flag to numbers pool
Merge pull request #78 from ClearwaterCore/snmp-alarms-58

SNMP Alarms Release-58
Change Metaswitch submodule refs to ClearwaterCore