Optimized screenshot image - 93.8% savings
Comma fix in docs
Merge pull request #291 from SnowDayGroup/image-optimization

_s: Optimize screenshot.png.
Merge pull request #292 from SnowDayGroup/docfixes

_s: Add comma in docs.
_s: Fix element for left arrow key code

Previous one was deprecated
Merge pull request #303 from thomasguillot/keyboard-image-navigation

_s: Fix element for left arrow key code.
Update small-menu reference in README

The old reference was to `js/small-menu.js` which no longer exists. Current file is `js/navigation.js`.
Merge pull request #305 from andrewspittle/master

_s: Update small-menu.js reference in README.
Moved partials out of underscores subdirectory
Merge branch 'master' of https://github.com/Automattic/_s