changes to first exercise, including more hints about debugging for possible differences in directory structure. in addition, added bonus to purify the chat message when it is initialized and make it clear that the getPurified method should return a string, not just set it to be correct
added solution and updated tests to step1
updated backbone exercise views with hint about naming template context
replaced bookshelf_screenshot.png with a fresh one sans tooltip
added commented return false to form submission to prevent page from refreshing on first exercise
updated runners, also chnaged return false to e.preventDefault in demo slides
added gitignore
updated the spec runner so that it looks for the models.js and views.js in the project root instead of under js/
updated time tests
removed views.js from runner.html
copied step2 to all the other tests
removed views.js
made models.js files match in all exercises, plus added comma for readability
Merge pull request #52 from brendajin/master

Pull Request for Exercises 0 and 1