Merge pull request #1 from LocalGovDigital/master

Update from master
Start of integration with MailChimp API

Add EmailSubscriber property to User, MailChimp email integration
including additions to Site Settings.
Remove binary files not required in SC
Update config to match production
UI changes + Sqlite bump

Bumped Sqlite version to remove need for Interop DLL.

UI changes to support new functionality.
Various updates

- Add setting to enable/disable MailChimp integration
- Add user to MailChimp once they've activated their account
- Update MailChimp when user changes their email address
Update favicon
Config update
Merge pull request #2 from LocalGovDigital/Mandrill

Add MailChimp email integration