Don't resolve SAS hostname to IP address - sas-client does this anyway
Code review mark-up
Merge pull request #112 from Metaswitch/dont_resolve_sas_hostname

[Reviewer: Andy] Don't resolve SAS hostname to IP address - sas-client does this anyway
Open port 9888 from sprout to homestead
Merge pull request #113 from Metaswitch/sto536_ports

Reviewer Ellie: open port 9888 from sprout to homestead
Add extra params to config file
Merge pull request #115 from Metaswitch/iss114

[Reviewer: Rob] Add extra params to config file