Changes for sweden

- fixed end vs. time bug on dates display
- added 2 settings on the theme option options
-- display or not header's pages menu
-- display (&use) or not the wysija subscription form embedded in theme. Possibility then to use the original widget from wysija.
- fixed the path for links in calendar and if-partners widget if the website is installed in a submenu (i.e. http://mydomain.ext/my-folder-install/...)
- fixed the background bug in multilingual sites.