Moved data services source code, fixed references in tests.

test/nm_test/FACT_population.jl

test/nm_test/FACT_ports.jl

test/nm_test/FACT_power.jl

test/nm_test/FACT_rail.jl

test/nm_test/FACT_road_NA.jl

test/no_test/FACT_air.jl

test/no_test/FACT_bldgs.jl

test/no_test/FACT_elevation.jl

test/no_test/FACT_geo.jl

test/no_test/FACT_jobs.jl

test/no_test/FACT_lulc.jl

test/no_test/FACT_mine.jl

test/no_test/FACT_population.jl

test/no_test/FACT_ports.jl

test/no_test/FACT_power.jl

test/no_test/FACT_rail.jl

test/no_test/FACT_road_EU.jl

test/runtests.jl