Add a parameter to configure cassandra address
Add a no-op script for monit use for polling
Merge remote-tracking branch 'origin/ipv6_harder' into ipv6_harder
Merge latest changes to dev
Merge remote-tracking branch 'origin/dev' into ipv6_harder

Conflicts:
	src/main.cpp
Code review markups
Merge branch 'ipv6_harder', remote-tracking branch 'origin/ipv6_harder' into ipv6_harder
httpstack moved to cpp-common
Merge remote-tracking branch 'origin/ipv6_harder' into ipv6_harder
Use GnuTLS to generate certificates
Live test fixes
Code review mark-ups
Fix permissions.
Remove out of date certificates
Merge branch 'ipv6_harder', remote-tracking branch 'origin/ipv6_harder' into ipv6_harder
Merge remote-tracking branch 'origin/dev' into ipv6_harder
Merge pull request #14 from Metaswitch/ipv6_harder

[Reviewer: Matt] Automated installation of IPv6 on AIO nodes.