Add changelog.txt
Keep WordPress from registering default widgets

Improve blog display after activation by keeping WordPress from
registering default widgets in the First Footer Widget Area.
Deal with the super long title edge case
Align Link Post Format Handling with TwentyThirteen

Use Core's get_url_in_content() if available. Don't extract URL from
content.
Bugfixes for the responsive navigation menu
Complete changelog
Bump Version Number to 1.1