... because the positioning is fixed. Perhaps it's better to let the
CSS class name control if it's left-sticky or right-sticky.

If the sections unfold/fold etc and layout changes, the save button
needs to update its location

From http://commons.wikimedia.org/wiki/File:Dialog-accept.svg
The work is in the public domain.

Fixed a bug in Winstone where a failure during request processing can
put Winstone out of sync with the next request.

Fixed hash DoS problem.
(cherry picked from commit 5ef902bb)

Conflicts:

	changelog.html

Fixed hash DoS problem.

- Loop only on tags between block-start and block-end
- Clearer and shorter code