Set fallback responsitve styling to true

156481f set the default example to true but this ensures the fallback is
true.
Merge branch 'issues/1585-responsive-styling-by-default' into rails-3-develop
Remove obsolete files.
Merge branch 'remove-obsolete-fcgi-files' into rails-3-develop
Merge branch 'rails-3-develop' of ssh://git.mysociety.org/data/git/public/alaveteli into rails-3-develop
New API method for updating request state
Extend add_correspondence API method to optionally accept a state param
Refactor state update API, better error handling

Filters; more 403s, fewer 500s; added logging; less duplication
Sending an invalid state value to add_correspondence now aborts the entire operation
whitespace

includes various code layout fixes