Twenty Fourteen: remove title attributes for better accessibility. Props sabreuse for original patch, see #25054.

git-svn-id: https://develop.svn.wordpress.org/trunk@25743 602fd350-edb4-49c9-b593-d223f7449a82
Make sure when resizing an image according to ratio we do not end up with a zero-pixel width or height.

props plocha.
fixes #25038.


git-svn-id: https://develop.svn.wordpress.org/trunk@25744 602fd350-edb4-49c9-b593-d223f7449a82