_s: Move away from using <article> for content that is not syndicated.
_s: Let's not change .entry-date.
_s: Let's keep the `.entry-` namespace for page post types.
_s: Let's keep the `.entry-` namespace for attachment post types.
Leave empty tags open in accordance with the HTML5 spec. Resolves #234
_s: Simplifies the attached image template tag by only querying for ids.
Improve "Posted on" translation string
_s: Simplify 'Posted on' string for easier translation and add a HTML
wrapper for easier CSS manipulation. Props @grappler. Fixes #253.
_s: Escape URLs in image.php
_s: Update screenshot to a retina size of 600x450px. Fixes #249.
Merge branch 'open-empty-tags' of https://github.com/bungeshea/_s into
bungeshea-open-empty-tags

Conflicts:
	searchform.php
Merge pull request #255 from kwighta8c/escaping

_s: Escape URLs in image.php.
_s: Move away from using `<article>` for content that is not a post,
page, or attachment.
Merge branch 'obenland-page'
_s: Add `.page-content` class to `style.css` to encourage styling. Also
removes some redundant comments.
Switch ".navigation-main" back to ".main-navigation"

Original edit not needed for `[class*="navigation"]` selector. Matches
other class/id navigation naming conventions.
Switch "navigation-" back to "-navigation"

Original edit not needed for `[class*="navigation"]` selector. Matches
other class/id navigation naming conventions.
Merge pull request #256 from michaeldcain/master

_s: Switch "navigation-" classes back to "-navigation".
Use === and !== instead of == and !=
Add missing semicolon