Added humanizing date template helper. Fixes #21.
Fixed #20.
* Added a <noscript> notification.
* Added a cookie support notification above the login form.
* Moved error notification area to be visible over the search header.
Fixed #18.
* Replaced the "cancel" button with "close" and "discard" buttons.
* Added visual indicator to entries that have been changed and closed without saving.
Fixed #18.