cost func doesnt need mill layer; allow for no mill_lyr in routing
factored gis-derived data out of cost func, use wkt for stand geom
add caching to routing to avoid uneeded http requests
test script to simulate forestplanner looping interaction
hooking up actual scenario data for testing; tweaking accordingly
modify forestplanner test to pull all data from db
adjust model to use landing coords instead of geom
tests for error conditions
reporting output for forestplanner test
test_errors script
use defaultdicts; dont allow nan to pass silently
minor formatting tweaks
tuples for passing all coordinates
get the correct units for tree harvest data
Merge pull request #18 from Ecotrust/master

Initial changes to support forestplanner