Added theme functions

The functions.php file will only be responsible for importing other PHP
files.

Each function library is stored in its own folder with the same name.

TODOs are added to the theme-options to indicate what options are going to
be provided to the theme user.
fixup! Added a Navbar with home and search capability
fixup! Added theme functions
Added JQuery 1.9.1 libraries

Changed to use the local version to allow for offline development.
fixup! Added theme functions
Added bootswatch CSS files

Only the CSS files are kept, the .gitignore was modified to ignore the
rest of the files that were included in the zip file:

https://github.com/thomaspark/bootswatch/archive/gh-pages.zip
fixup! Added bootswatch CSS files