Add XSL transformation in metadata harvested via CSW (#407).
Fix conversion list for harvester config.
Merge remote-tracking branch 'upstream/develop' into improvement/harvester-csw-xsl

Conflicts:
	web-ui/src/main/resources/catalog/components/admin/importxsl/ImportXSLDirective.js
	web-ui/src/main/resources/catalog/components/admin/importxsl/partials/importxsl.html
Merge pull request #416 from fxprunayre/improvement/harvester-csw-xsl

Add XSL transformation in metadata harvested via CSW