updating book defaults
demo tweaks
starting to add grunt watch systeM
trying to add coffeescript grunt task
adding grunt sass
adding grunt jade
grunt jade fix
setting up jade to replace handlebars
gruntfile fixes
gruntfile fix
ported main.js to coffeescript
updated gitignore to ignore .sass-cache directory
updated gruntfile to fix sass compilation
gitignore update
Merge branch 'demo'

* demo:
  updated gruntfile to fix sass compilation
  updated gitignore to ignore .sass-cache directory
  ported main.js to coffeescript
  gruntfile fix
  gruntfile fixes
  setting up jade to replace handlebars
  grunt jade fix
  adding grunt jade
  adding grunt sass
  trying to add coffeescript grunt task
  starting to add grunt watch systeM
  demo tweaks
updated atomic submodule