sniff slide ID from slide/section title for better permalinks
remove generic title/description, move include to layout for simplicity
w h i t e  s p a c e
remove commented out code
properly respect cover flag
properly respect header flag
strip demo css, add in bare bones structural css as standalone file
include core css in impress deck
Update slide deck template with class markers

Using "slide" class as identifier for each slide to
be parsed by HydeSlides TOC plugin
Update HydeSlide Plugins to latest rev (ImpressJS support)
Add temporary Foundations deck with ImpressJS template
Add GitHub logo to preroll slide
Merge pull request #149 from github/preroll-slide-update

Add GitHub logo to preroll slide
Reverse merge, bring ImpressJS up-to-date with mainline changes
Remove ImpressJS stylesheet from /css/, already present in ImpressJS submodule
Add core CSS specific to ImpressJS implementation
Update ImpressJS slidedeck template to include chapter and slide name in header per slide
Need backslash on URLs with parenthesis - Unix watch Wikipedia link
Update stylesheets to support ImpressJS and existing RevealJS frameworks
Update ImpressJS layout for cover slide title class
Fix slide deck sticky note support across RevealJS and ImpressJS