Adding distinction to parent relationships on siblings

Conflicts:
	web/src/main/webapp/xsl/metadata/relation.xsl
Adding style to siblings
Fixing translations
Adding related metadata to search results
Adding title and removing related metadata box if no related metadata exists
Opening related metadata on extjs window
Some styling things and do not close window if no relation selected

Conflicts:
	web/src/main/webapp/scripts/editor/metadata-editor.js
Set gmd:code not multilingual

Conflicts:
	web/src/main/webapp/WEB-INF/data/config/schema_plugins/iso19139/present/metadata.xsl