Misc comment fix
Fix typo

once should be one
Small fixes for a link and reference to this.el.
Fix minor typos. 

Fixed example which references non existent model "todo" instead of "todo1".
Fixed minor typos.
validation errors trigger an invalid event
Removing superfluous files incorrectly added via a bad PR.
Merge pull request #353 from dcmaf/gh-pages

Chapter 8: Modular Development - Minor corrections / rewording
Merge pull request #363 from truk/gh-pages

Chapter 11: validation should check for "invalid" event
Merge pull request #351 from timhudson/gh-pages

Fix typo in chapter 6
Merge pull request #356 from samuelclay/gh-pages

Couple typos from book review
Merge pull request #345 from Florent2/gh-pages

Misc code comment fix
Merge pull request #360 from sgeralnik/gh-pages

Fixed first example in book. Fixed minor typos.
Fixes #365 - incorrect path referenced
Fixes broken links in resources
Adding in hashmarks from jhabdas. Fixes #357
updating getting started section, code samples, adding note for beginners, removing string sanitizer for clarify to address @wibblymat review for #347
For #347, removing early ref of Backbone Koans in favor of a later one
For #347, replacing underscore syntax in example with generic placeholder
For #347, removing script tags paragraph and jasmine-jquery eg as it is out of place/unneeded
For #347, removing extra ref to external sinon post