Add new configuration options
Plumb new config options through to stateful proxy
Add chronos-dbg dependency to sprout-dbg
Merge pull request #549 from Metaswitch/add-chronos-dbg-dependency

Reviewer Matt - Add chronos-dbg dependency to sprout-dbg
Don't shutdown TCP connections on overload
Merge pull request #551 from Metaswitch/issue550

Reviewer MattL Don't shutdown TCP connections on overload
ENUM lookup changes for tel URI and user=phone support
Use regular expression comparisons on expiry times to make valgrind runs reliable
First updates to support Tel URIs in INVITEs
Add setter functions for options to be used in UT
Merge pull request #553 from Metaswitch/vg_timing_failures

Reviewer Ellie: Use regular expression comparisons on expiry times to make valgrind runs reliable
Merge remote-tracking branch 'origin/sto382_em' into gdr_sto382

Conflicts:
	sprout/stateful_proxy.cpp
Fix AS handling when request URI is external
Remove spurious commit
Tidy up whitespace
Merge pull request #556 from Metaswitch/issue519

[Reviewer: Mike] Fix AS handling when request URI is external
Tidy up
Merge branch 'issue519_tidyup' into dev
Updates to Register and Subscribe
Invalidate cached message info whenever we manually change the response code