Ignore Authentication headers without responses
Clarify comment and log
Paths are bound to AoRs
Store set of AoRs, allowing multiple endpoints on a single flow
Comment future requirements
Markups
Merge remote-tracking branch 'origin/master' into check-aor-for-paths
Add custom header parser for Privacy headers to parse them correctly as an array
Code review feedback
Fix merge conflicts
Merge pull request #50 from Metaswitch/issue45

[Reviewer Matt] Add custom header parser for Privacy headers to parse them correctly as an array
Fixes #54 - correctly find next route header
Merge pull request #55 from Metaswitch/issue54

[Reviewer Keith] Fixes #54 - correctly find next route header
Merge pull request #40 from Metaswitch/reeval-ifcs

[Reviewer: Mike] Re-evaluate iFCs - Keith, I'm going to merge this so I can review the mmtel change.
Merge pull request #36 from Metaswitch/handle-auth-without-cred

Handle auth without cred
Merge pull request #37 from Metaswitch/check-aor-for-paths

Check AoR for authentication on paths.
Move exception handling into filter_matches.

Review markup.  Cleaner interface - just returns false on match
failure, caller doesn't have to worry.
Simplify Ifc interface.

- remove interpret() method.
- expose filter_matches and as_invocation.
Merge pull request #56 from Metaswitch/reeval-ifcs

[No reviewer required] Reeval iFCs
Merge branch 'dev' of github.com:Metaswitch/sprout into handle-mmtel-in-chain

Conflicts:
	sprout/aschain.cpp
	include/constants.h (not spotted automatically)