Add KSS dependency to parse our stylesheets
Add Draper dependency for OO presentation logic
Introduce styleguide namespace
Parse application stylesheets using KSS
Render styleguide section
Remove styleguide singleton to avoid reload issues

By making the styleguide definition a singleton the KSS parser is only
triggered when the application boots. Stylesheet changes are then not
reflected until the application is reloaded which is a pain during
frontend development.
Introduce specific styleguide layout
Flesh out example stylesheet
Add KSS javascript to handle CSS pseudo classes
Include modifiers in styleguide sections