Added tolerance 1e-6 to simulation command.
Added Radiators from Buildings library.
Added Radiators from Buildings library.
Added Radiators from Buildings library.
Updated reference results.
Merge branch 'issue67_radiator' into issue45_benchmarks

Conflicts:
	Annex60/Fluid/HeatExchangers/package.order
Replaced radiator instance to use the one from the Buildings library.
Merge pull request #5 from iea-annex60/issue45_benchmarks

Issue45 benchmarks