Upgraded rails/activerecord per CVE-2014-3514.
Changed header to 'contact us' for clarity

Need to make it clear to users that they can expect us to reply - rather than just send in their feedback.
Merge pull request #25 from ministryofjustice/Leigh_updates1908

Changed header to 'contact us' for clarity
Feedback referer is no longer required.
Updated logstasher to point to the official 0.6.0 version.
This code is licensed under the terms of the MIT license.
Add specs for visit helper
Lead days to exclude current day
WIP exclude weekends
Added a Schedule object to wrap permissible dates and the logic behind them.
Removed unused methods from VisitHelper.
Added a test for prisons that work on weekends.
Assume that no prisons work on the weekends.
Some prisons work on weekends.
Booking slot changes for Littlehey.
Add digital comms from private repo
Updated styling for guide nav
Add staff info index
Update staff changes page styling
Add downloads page