The "median hairline" rasters don't actually need to be 1x-ified, as they don't need background-size ificiation.
Added in 1x raster exceptions for HEART ICON and RIGHTWARD CARET images.
More cosmetic patches for IE8, which is terrible.
Merge pull request #88 from SCPR/calfire_app

Flatpages and content block tags...
removes import of about view into urls.py