allow nice course boxes in /course, add alt tag to course images
don't re-import boostrap utilities.less

I checked with upstream Bootswatch, this isn't necessary.

Not a big change, but just one less thing to worry about.
Merge pull request #228 from ds125v/bootswatch_order

don't re-import boostrap utilities.less
fix for ie8 being badly broken

reverting a previous fix to give time to investigate
new css
new css
missing semi-colon

found while looking for IE8 weirdness
Merge pull request #233 from ds125v/missing_semicolon

missing semi-colon
overflow-y typo

found while looking for ie8 weirdness
Merge pull request #234 from ds125v/scroll_typo

overflow-y typo