Reviewed by Oliver Hunt

        Add a page indexing the various demo applications we have posted.

        * demos/index.html: Added.
        * nav.inc: Add a link to the demos page on the side bar
        * css/main.css:  Add a style for date stamps based on the blog.

        * demos/calendar/index.html: Added to redirect to Calendar.html.  I'm not moving Calendar.html to
          index.html as the Calendar.html url has already been published and we should keep it working.

        Move the drosera test code to /misc, as it is no longer a meaningful demo:
        * demos/drosera: Removed.
        * demos/drosera/demo.js: Removed.
        * demos/drosera/drosera.png: Removed.
        * demos/drosera/index.html: Removed.
        * misc/drosera: Copied from demos/drosera.

        Move the sticky notes example into /demos:
        * demos/sticky-notes: Added.
        * demos/sticky-notes/StickyNotes.manifest: Copied from misc/DatabaseExample.manifest.
        * demos/sticky-notes/deleteButton.png: Copied from misc/deleteButton.png.
        * demos/sticky-notes/deleteButtonPressed.png: Copied from misc/deleteButtonPressed.png.
        * demos/sticky-notes/index.html: Copied from misc/DatabaseExample.html.
        * misc/DatabaseExample.html: Changed to redirect to demos/sticky-notes/index.html.  I'm not removing
          it altogether as the misc/DatabaseExample.html url has already been published and we should keep it working.
        * misc/DatabaseExample.manifest: Removed.
        * misc/deleteButton.png: Removed.
        * misc/deleteButtonPressed.png: Removed.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@44638 268f45cc-cd09-0410-ab3c-d52691b4dbfc