Added som example records
Updated whelk config files with linkcompleter and indexlinkfinder
Whelkoperations config including linkcompleter and indexlinkfinder
Added findLinks and runFilters methods to StandardWhelk
Added resultContentType to all FormatConverters
Added linkfindandcomplete to whelkoperator
resultcontenttype in basicformatconverter
Merge branch 'master' of github.com:libris/librisxl

Conflicts:
	etc/environment/dev/whelks.json
	whelk-core/src/main/groovy/whelks/StandardWhelk.groovy
	whelk-extensions/src/main/groovy/converters/JsonLDLinkEnhancerFormatConverter.groovy