Add basics for handling data parameter name terms and unit terms from
a thesaurus
Use a more indicative thesaurus name
Use gmx:Anchor for mcp:term to tie term and term id together more easily
Add dataparameter starting elements to templates
Make iso19115-3 extract-relations.xsl match stricter, otherwise it matches
profiles such as iso19139.mcp and no relations are returned
Update thumbnail setters
Merge remote-tracking branch 'upstream/master'