Version 0.1.0 Stable Release

- Updated Bootstrap Sass to version 3.0.3
- Require at least jekyll version 1.4.1 in Gemfile
- Navbar links are generated from _data/navbar.yml
- Removed slugs from page front matter as it's no longer needed with the new navbar
- Moved JekyllKB version number into the jekyllkb plugin as a Liquid tag
- Removed variables that wont be needed from _config.yml