Fixes issue 349.  Set correct reason on 403 response when AV lookup fails.
Adding new modules
Move memcached store to cpp-common
Merge pull request #354 from Metaswitch/commonalize

Reviewer Ellie - Move memcached store to cpp-common
Merge pull request #350 from Metaswitch/issue349

[Reviewer Rob]Fixes issue 349.  Set correct reason on 403 response when AV lookup fails
Check that an element exists after <Method>REGISTER</Method> in IFCs - don't just assume it does and check it's an <Extension>
Merge pull request #357 from Metaswitch/issue356

[Reviewer: Alex] Check that an element exists after <Method>REGISTER</Method> in IFCs (fixes #356)
Don't try to parse SDP body when processing IFCs if there is no body
Merge pull request #359 from Metaswitch/issue358

[Reviewer: Andy] Don't try to parse SDP body when processing IFCs if there is no body
First changes for libevhtp
Take new cpp-common version which includes store.h
Merge pull request #360 from Metaswitch/move-store-header

Reviewer Graeme - Take new cpp-common version which includes store.h
Take new cpp-common and libmemcached to fix https://github.com/Metaswitch/cpp-common/issues/9 and https://github.com/Metaswitch/cpp-common/issues/8
Merge pull request #361 from Metaswitch/updated-submodules

[No review required] Take new cpp-common and libmemcached to fix https://github.com/Metaswitc...
Refactor stats so they do not pull in variables from sprout
Remove onigumura from Sprout
Merge pull request #362 from Metaswitch/remove-onigumura

Reviewer Ellie - Remove onigumura
Take latest cpp-common
First commits
Stats tool changes