Make map fills and hovers stand out more
Merge remote-tracking branch 'upstream/master'

Conflicts:
	censusreporter/apps/census/templates/profile/profile_detail.html
Support CSV and XLSX downloads
Add gdal to fabfile and requirements
Fix zero values, filenames, don't cache downloads
Don't zip downloads, allow 0s in non-xlsx
Merge remote-tracking branch 'upstream/master'

Conflicts:
	censusreporter/api/fabfile.py
	censusreporter/apps/census/wazi.py
Use GDAL 1.11.0