__ now extends Cell

Upgraded dependencies (jquery, requirejs, coffeescript)
New __.bind: binding to Backbone.Models
Updating template spec descriptions
Proper AMD deps on backbone and underscore

Refactored for loops to use underscore
Move dependencies to be managed by npm
Move make targets into script/
New: Cell.el now has an "cell" attribute with the name of the cell
NEW: jQuery.remove() extended to properly remove cells (detach model, collection, and DOM listeners)
Regenerated spec coffee (no function wrap)
NEW: Support clean removal of cells using jQuery.[remove, empty, html]
NEW: __.bind() now works as an attribute value
Small refactorings
Update requirejs and coffeescript deps
Small refactoring
Fix regression on __.bind w/o transform
Simplifying __ impl
Removed __(View, selector)

Touched up specs
Refactored __ impl
Rename __.bind to __.bindTo
FIX: Nasty bug with spec.coffee reusing previous contexts. Updated todo
BREAKING CHANGE: 'cell!' now defines new cells, see tests (fixtures/cell-builder-plugin)
New: Backbone.Model.ref() encapsulates access and monitoring a set of model attributes.