Resolve "gene variants in molart"

Closes #500

See merge request !420

Resolve "Handling MeSH identifiers"

Closes #341

See merge request !419

Resolve "allow admins to configure parameters displayed in the left panel"

Closes #53

See merge request !415

Formats conversion rest api

See merge request !418

Merge branch '53-allow-admins-to-configure-parameters-displayed-in-the-left-panel' of https://git-r3lab.uni.lu/minerva/core into 53-allow-admins-to-configure-parameters-displayed-in-the-left-panel