Add handlebars and sprockets
Add upcoming shows to index page
Add header to upcoming shows list on index page
Add classes to show template markup
Reorganize css files utilizing sprockets
Add start and end time to show listings
Add page specific javascript if page_name.js exists

Introduced page_name helper method, which holds 'about' for /about/
and 'index' for /. Used to load javascript files named after current
page
Move date and time formatting functions into DateTime

Update shows.js.coffee to use DateTime functions
Change shows to GCal and move calling code into index.js.coffee

GCal class is more generic than just shows - changed references from
shows to events. Moved onload code into index.js.coffee
Allow user to pass in various parameters to GCal#allEvents
Merge branch 'add_shows'