First steps towards better child theme support

- Footer widget function improvement
- More childTheme friendly
- added function_exists to "THEME SUPPORT + SIDEBAR"-functions (in
functions.php) for better theme support. Not shure if this is the best
way to do this.
- Some other small adjustments
Zurb/Foundation commit up to 12 march added

-Zurb/Foundation commit up to 12 march added
-Child theme friendlier
.gitignore update