minor change
Merge branch 'master' of git://github.com/stuart-thackray/nitrogen_core
Refactor element_dropdown
Fix query handler for blank fld over websockets
Fix submission of blank multiselect
Prevent red disconnect bar showing on redirect
Ensure effects always happen
Add link to upgrade docs on doc index
Reorganize docs a bit
Update headers for reortanized docs
Add advanced doc with links
Fix smart extensions doc
Fix typos in smart extensions
Fix another typo in smart extensions doc
Fix some typos in paths doc
Render HTML docs
Remove unnecessary preceeding show or hide
fix yupo in upgrade docs
Unicode and cookies (See explanation)

Unicode improvements to be a little smarter about encoding when
necessary (such as if a binary data is being transmitted, we shouldn't
do any encoding).

Also fix so that cookies can be set during websocket connections.

Also fix js_escape to allow atoms to be passed in
Refactor checkbox element. Add label_position attr