Add mutationtable to genomebrowserpage.
add mutationtable to genome browser
fix nullpointer in importer if no dataset is present (entities only)
Merge pull request #1015 from bartcharbon/master

fix importer + add mutation table to GenomeBrowser
add qualifier to distinguish between catalog service and catalog manager service
Merge branch 'master' of https://github.com/molgenis/molgenis