#801 Updated status of HTML5 features to 'rec' in features-json files. Changed the menu element to 'wd' to reflect that it is part of 5.1. Made a few minor changes to descriptions, mostly involving adding periods at end for consistency.
Merge pull request #809 from bruceontheloose/update-status-of-html5-features

#801 Updated status of HTML5 features to 'rec' in features-json files...