use masonry (isotope) on class info, fixes #78
fix FAQ table of contents affix bug in Safari #77

not sure this fixes #77 because I can't replicate it, but it's
definitely related, so maybe it does.
rename multicolumn press media query, fixes #76
adding max content width to readme for ref. #75
swap bootstrap carousel for nerveslider, fixes #75
re-adding unsubscribe button, fixes #73
Merge FAQ fix for #77 from master into bugfix

I integrated both of our JS improvements here, so we can just defer to
everything in the bugfix branch when we merge.
use masonry (isotope) on class info, fixes #78
fix FAQ table of contents affix bug in Safari #77

not sure this fixes #77 because I can't replicate it, but it's
definitely related, so maybe it does.
rename multicolumn press media query, fixes #76
adding max content width to readme for ref. #75
swap bootstrap carousel for nerveslider, fixes #75
re-adding unsubscribe button, fixes #73
merge
Merge pull request #79 from SFPC/bugfix

Bugfix