Twenty Fourteen: fill browser height to 100% for views with short content. Accounts for footer widgets, in which case the height isn't set to 100% so that the widgets remain visible. Props wycks and taupecat, fixes #25389.


git-svn-id: https://develop.svn.wordpress.org/trunk@25736 602fd350-edb4-49c9-b593-d223f7449a82