Item12481: removed js browser detection - doing it all server-side already

also:
- added a webdav folder template
- fixed styling of input[type=search] formfields
- fixed clicking on the top panel toggle
- fixed "Restart" link for 404 in case a web was not found
- making "New topic" dialog width configurable via tmpl-def
- removed old slideshow-plugin-2.0 view template




git-svn-id: http://svn.foswiki.org/trunk/NatSkin@17707 0b4bb1d4-4e5a-0410-9cc4-b2b747904278