temp
Merge branch 'category-headings' of github.com:total-impact/total-impact-webapp into category-headings
change "webpages" importer to "products by url".

also now uses the _.str.dasherize() function to make logo names, instead of
homebrewed thing we were using...latter was breaking for multiple words and
would've broke again on something else sooner or later. Better to use an actual
lib for it.