Created `world` module.

Closes #52

Makefile

@@ -19,8 +19,11 @@ docs:
 	sed -i -e "s/\*Last updated:.*/\*Last updated: ${commit}\*/" docs/src/index.md
 	cd docs; julia builddocs.jl
 
+container:
+	echo "Not yet implemented (#43)"
+
 release:
 	echo "Not yet implemented."
 
 install:
-	echo: "Not relevant. Use `julia run.jl` to run Persefone."
+	echo "Not relevant. Use `julia run.jl` to run Persefone."

src/world/weather.jl

+### Persefone - a socio-economic-ecological model of European agricultural landscapes.
+###
+### This file reads in weather data for the selected location and makes it available
+### to the rest of the model.
+###
+
+##TODO (issue #8)