Minor corrections
Small grammar sweep: lets -> let's, etc.
Merge pull request #379 from sduckett/gh-pages

Punctuation fixes
Merge pull request #376 from tkalfigo/firstExample

Minor corrections
For #349 - removing the packages section
For #342: initial expansion of conclusions
Merge branch 'gh-pages' of https://github.com/addyosmani/backbone-fundamentals into gh-pages
removed !importants