Got rid of old, unused recent plantings partial
added caching to the Blah.interesting methods
cache stats and member thumbnails on homepage
Changed interesting methods to always return 12

... because it makes the caching more effective.  Use .first(n) to get a
smaller number if you want it.
cache planting snippets on homepage
standardise on _id for caching
cache crop image with popover
Cache recent crops on homepage
Merge pull request #276 from Skud/redesign-homepage

Redesign homepage