Louise's first commit
MailChimp ref in comms overview

Added mention of MailChimp functionality to comms overview page.
Creating a comm update

New screenshots and info about testing and saving comms.
Comms type update
Create comms with groups and WRs

Adding info about creating comms via groups and work records.
Comms overview

Formatting
Creating a comm

Formatting
Comms email details

Formatting
Logging comms

Formatting
Comms adding message content

Formatting
Adding MailChimp API info
Updating CampaignMonitor API info
Updating CampaignMonitor info
Adding MailChimp info