SIP URI subscription ID type should be 2 not 1
Only include StatusCode AVP in ASInformation if not 200
Merge branch 'iss523' of github.com:Metaswitch/sprout into rf_bugs1
Change Status-Code AVP to use correct enum values
Compilation errors
Code review feedback
Merge pull request #527 from Metaswitch/rf_bugs1

[Reviewer Andy] Fixes to Ralf issues 45 and 47