This change primarily affects the AppDetails links section to make them easier to click. It also strips down the UI a bit to provide a cleaner interface as well as some modest Material Design tweaks.
Fixes#389.
See http://www.google.com/design/spec/style/typography.html
Remove useless attributes; add styles with proper paddings, size and color
for caption and body text. Unfortunately, line spacing attributes are
supported only since Jelly Bean.
