Update backbone.js comment for clarity

Fixed comment in backbone.js
Merge pull request #3326 from biversen21/master

Update backbone.js comment for clarity
Hyphenate compound modifier. 

It's a single adjective: the compound word "two-way" (as opposed to two adjectives: "two" and "way").
Merge pull request #3351 from janaspage/patch-2

Hyphenate compound modifier.
Un-split an infinitive verb tense. 

Just grammar.
Un-split infinitive [v 2].
Merge pull request #3354 from janaspage/patch-3

Un-split an infinitive verb tense.
Update trailing slash for search params.
Merge pull request #3357 from braddunbar/trailing-slash

Update trailing slash for search params.
fixed camel case filename for doc run script
Merge pull request #3360 from morganrallen/localStorageDoc

fixed camel case filename for doc run script