beginning of front-end design

navmenu changed to horizontal menu
(http://codex.wordpress.org/Creating_Horizontal_Menus)
main font changed with google web fonts to "Roboto" (link in index.php)
Licence?
background added
(http://www.patterncooler.com/editor/?P=000713FFFBCC_116) Licence?

next steps:
enhancement of navmenu design
creation of graphical header
plugin for Einsätze???
apply changes of index.php also to pages.php