merge from upstream
add placeholder for news
Strip news from group page
Color news background and tweak nav list mildly
Add tiny shadow to news container
Change layout according to template (prelim)
Add preliminary front page image flipping
Add missing files
Narrow down hover area on front page
Add negative margin to header, tweak flip effect
Tweak paddings on header and content.
Change group link arrow to link color
Tweak header padding down a notch
Separate group list arrow from next/prev-arrow
Add cssmin to grunt
Merge pull request #3 from mkirvela/master

A lot of changes all over the code base.