add lumbar chapter
Fix copy-paste typo in Model.get() sample code
Merge pull request #214 from booltype/gh-pages

Typo in Model.get() sample code
Consistent use of quotes. Fixed log message.

Made the collections events example use quotes consistently to avoid confusion.
Fixed typo in log message.
Fixed Backbone.sync example
Fixed Backbone.Router example.
Merge pull request #218 from mlni/patch-1

Typo correction in examples
 _ Fix for first three issues noticed.
Update index.md
Correct reference to underscore.js
Bad description of what happens when adding an item to ToDo list
Minor edits
Update getByCid example

Checking `todoCid` instead of `todo2` against `myTodo` makes more sense in this context.
Replace galleryApp with todoApp
Merge branch 'gh-pages' of github-beastridge:addyosmani/backbone-fundamentals into gh-pages

Conflicts:
	index.md
Add thorax chapter
Remove TODO note
Remove merge conflict comment
Remove a tag from title
Fix underscore template syntax