Initial HTML for "text" posts, stop hiding note count, meta info in CSS.
New HTML5 markup for "photo" posts, and its accompanying basic CSS.
Harmonize mockup HTML for all other "photo" posts with new HTML5 markup.
Remove wrapping `<article>`, un-indent contents. (Yay better semantics!)
Make subtitle heading more obvious in mockup.
Merge branch 'master' into tumblr

Conflicts:
	web/index.html
Apply CSS changes from `master` branch just merged.