updating CONTRIBUTING to reflect keeping index.html up to date with master
Removing View#make from docs
Updating Model#validate docs
removed unused variable 'model' from 'save' function
Merge pull request #2107 from adriaanlabusc/remove_var

removed unused variable 'model' from 'save' function
Consistently turn on `parse` flag in `save`, like `fetch` already does
Simplify `sortedIndex` test
Merge pull request #2092 from philfreo/master

Edge change log in documentation
change log updates
docs for route event, save bug, formatting
Add link to Docs for old versions of Backbonejs
Add links to Diff and Docs for older Backbonejs versions as well