Fix IPv6
Fix IPv6
Add sip common
Correct assert
Merge pull request #161 from Metaswitch/add_sip_common

[No reviewer] Add sip common
Add base SAS value for gemini
Merge pull request #162 from Metaswitch/gemini

Reviewer MIRW: Add base SAS value for gemini
Merge pull request #164 from ClearwaterCore/CCmaster

[Reviewer Matt] Fixes #671 - Add brackets for IPv6 HTTP connections
Unlock mutex on thread cancellation
Merge pull request #166 from ClearwaterCore/ciscofix

[Reviewer Rob] - Unlock mutex on thread cancellation
Merge remote-tracking branch 'origin/master' into sas_overload