Twenty Thirteen: update post formats for consistent post meta display, fixes #23553.

Fix a few typos for "tags-links" selectors and remove extraneous newlines.

git-svn-id: http://core.svn.wordpress.org/trunk@23469 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: add hover/focus style for buttons and organize button and input selectors a bit for a better cascade. Fixes #23536, props obenland.

git-svn-id: http://core.svn.wordpress.org/trunk@23470 1a063a9b-81f0-0310-95a4-ce76da25c4cd