.js extension not needed for data-main attribute
model class 'Item' not actually referenced in ItemCollectionView definition
Fixes #451 -- makes clear that Mongo server must be started.
fixed double-'the' in second paragraph of ######Third-Party Objects
changed word order from 'the about' to 'about the' in the last line of #### Disposing View Hierarchies
defined Beatle job attribute inside defaults object
Update 06-extensions.md

to have zombieView's stopListening remove the listener you need to register it with listenTo
manually bring in #369 - xelatex instead of pdflatex
Updating builds to latest
function let's you edit -> function lets you edit
More "it’s -> its" corrections
typo in line 160 ("TodoView.render();" should be "todoView.render();"
Minor corrections for chapters 1, 2, 3