Updated meta viewport syntax: comma instead of just a space
https://developer.apple.com/library/safari/documentation/AppleApplications/Reference/SafariHTMLRef/Articles/MetaTags.html "A space may work as a delimiter, but a comma is preferred."
Merge branch 'gh-pages' of https://github.com/maban/styleguides into gh-pages
Removed duplicate article (was added 20/11/2014)
Fixed typo in article name: `answerd` vs `answered`