adding images to metadata
untested accessdenied catch for json
don't redirect if article#body gets access denied
Added a redirect from sitemap.xml to S3.
Added direct link to the sitemap instead of the sitemap_index so that S3 is happy.
Specifying Ruby 1.9.3 for heroku.
Fixed a bug that would allow users to create accounts with a different case to someone elses, but not let them login. Now usernames must be completely unique, not just by case.
Added Twitter cards to meta tags for Issues and Articles.
Updated gems, except jquery-rails and ledermann-rails-settings which had some problems.
Added jquery-ui-rails gem so we can use the latest version of jquery-rails.
Temporary fix
Upgraded twitter bootstrap.
Added open_graph and twitter card meta tags to the home page.
Fixed home page title meta tag.
Updated twitter card creator.
Specifying Savon 1.2.0 for bricolage importing.
Added new category /graphic/ for wide graphic images that need zooming.
Updated comma gem to fix download issue.
Merge branch 'master' of github.com:sighmon/NI