Extract helper
Beginning of buildpacks documentation
Prettify use of icon in banner
Add references
Extract markdown partial
First pass at ruby docs
Use pre block for code block
Add link to default gemfile
Change for fontawesome upgrade
Extracted partials for each language
Put different language sections in a tab area
Improve banner
Add language icons
make selection boxes look bootstrap like
Add images to select
Insert more language logos
Split out each section
Use standard haml for navigation
Fix interpolation by moving partial back to haml
Convert template to haml