Added explanatory text to the top of the crops/seeds pages
added routes and controller stuff for crop hierarchy
Added toplevel scope for crops without a parent
Display crop hierarchy (recursively!)
Make all list items use disc style (filled-in circle)
Show new hierarchical varieties on crop page
Added a crop hierarchy link to the crop wrangler page
Merge pull request #305 from Skud/explanatory-text

Added explanatory text to the top of the crops/seeds pages
Merge pull request #304 from Skud/crop-hierarchy-page

Crop hierarchy page
Merge pull request #307 from Skud/places3

Places - finally fixed?
Hardcode Cloudmade API key.

Ugh, I know. But it's not any less secure than having it out there in
our Javascript, and it turns out Heroku just downright *refuses* to read
it from an environment variable during asset compilation. I even tried
an experimental Heroku addon
(https://devcenter.heroku.com/articles/labs-user-env-compile) but it
didn't work, so for now let's just do this and get it out there. I'm
sick of messing with it.
Set Leaflet icon path explicitly.

When we tried to deploy maps on staging, we got the following error
message in our Javascript console:

Error: Couldn't autodetect L.Icon.Default.imagePath, set it manually.

... so we did. The end.
Merge branch 'places3' of github.com:Skud/growstuff into places3

Conflicts:
	app/assets/javascripts/places.js.erb