add the concept of a preview date
add a filter that redirects to the preview page for all urls
add a preview page (placeholder)
redirect from the preview page when not in preview

This is to catch people who either bookmark the preview page or get there via a search engine
split the main layout apart into smaller sections so that it can be reused
add a coming soon page
add the concept of a closed conference, and make sure all the redirects happen
Add null checks
review feedback
Tidy the web.config file
move the render of the partial outside of the form

Having it inside seems to cause the rendering to put the submit button outside of the form, meaning it does nothing when clicked on
move the spacing from the voting buttons to the session titles
don't include the controls' text in the search
Merge remote-tracking branch 'origin/tidy-web-config' into remove-elmah-and-glimpse
remove EntityFramework
remove Elmah
remove Glimpse
add a new page to the voting stats to enable us to see who has voted for each session
split the common javascript out into a script file
Add a new page to the voting stats to enable us to see which ip addresses have voted for each session