Added more javadoc for WhoisRestService and WhoisMetadata
Removed unused RpslObjectUpdateDao from WhoisRestService
removed unnecessarily complex services /grs-search and /grs-lookup
removed unused code
Fix of some failing endtoend tests
Babystep refactoring of versionqueryexecutor. Fixes failing endtoend test.
fixed /lookup returning hierarchical hits
fixed changeddatevalidator
make sure search key is always sanitized before use
fix of TODO, WhoisRestService now caches the query flags as strings that are not allowed
Updated documentation.
[maven-release-plugin] prepare release whois-1.67.2
[maven-release-plugin] prepare for next development iteration
Fixed npe when no parameters on free text search request.
Merge branch 'upstream' into upstream-rpslvariant