merge updated master
Bugfix

Fixes null temp and windspeed issues in biocro
merge
merge with master
moved met downloads to a new function; still generates BioCro-specific weather file
fixed variable name typos in write.configs.BIOCRO
willow ensemble, variance decomposition, and sensitivity analysis working
added script to quickly load all packages in dev-mode; fixes gh-55
Merge branch 'biocro-module'