Adding client and server side timers

Using Tock.js for client side and plain Ruby Timers on server to keep
track of time since live list was started
adding flip animation
reverting nestable to original
Added list hierarchy, list animation

Changed initial view to see all lists, then user can select a list and
see the list items.

List fly in animation
adding Grunt
Create master lists
Merge branch 'add_lists_function'

Conflicts:
	js/app.js