Add avatar suffix, nobody*.png (as default avatars)

Fixed .gitignore some
Oops. Fixing something I've messed up a month ago.
Merge pull request #22 from thedod/avatar-fixes

Add avatar suffix, nobody*.png (as default avatars)
Use static-maps instead of leaflet where possible
Merge branch 'static-maps' of github.com:kylewm/redwind
include map image in post content
Merge branch 'master' of github.com:kylewm/redwind
organize venues by region and locality
change checkin text from checked into -> checked in to