Top Posts: add link to post thumbnail
Top Posts: add title, class, and data-bump-view attribute
Image Widget: add a new option to open links in separate tab
Related Posts: Pass formatted date of post to front end.
Related Posts: Output post's date before context.
Related Posts: Style date on front end like context.
Add support for Co-Authors Plus

Adds authors generated by the Co-Authors Plus plugin (supported by WordPress.com VIP) to the heading and fixes a missing "%s" in the heading for regular author pages without the plugin
Add support for Co-Authors Plus

Adds support to the byline for authors generated by the Co-Authors Plus plugin (supported by WordPress.com VIP) and simplifies the regular author link that is displayed when you don't have the plugin installed
Make author heading code more readable
Make byline code more readable
Get rid of that semicolon
Use a hook instead of the if structure
Use a hook instead of the if structure
Add back the rest of the byline
Put the byline back in there, again
VideoPress: add configure link to the module description
Refining the setting of site_tag when twitter:creator is present.

This is an attempt to close #935. I added a class method that
will take in the current value for site_tag and og_tags and
return a new value for site_tag if twitter:creator is set in
og_tags. If nothing is set, it returns the original value of
site_tag.
Merge branch 'master' into use-twitter-creator-for-twitter-site
Move theme support check to `add_setting` argument
Add Customizer section priority

Sets the Customizer section priority below the core sections. Fixes #538