Removed unused substances parameter.
Only one result for each search term is returned. Preferably one with a FASS text, otherwise an explanatory text is used.
If there are no matches, an essentially empty result is returned.
Merge branch 'master' of https://github.com/osjoberg/Pillerkollen

Conflicts:
	src/Pillerkollen.Server/Controllers/DrugController.cs
Data dir merged.
Data dir merged.
Merge branch 'master' of https://github.com/osjoberg/Pillerkollen