Removed unused GrsMirror
Compare whoisResource object in test (separate tests for string comparisons).
Added string comparisons for REST API lookups (JSON and XML).
Moved REST API test for lookup person json text.
Refactored REST API json and xml text format tests.
Unfiltered query parameter is set if it's present in the query string, with no value or set to true.
Merge branch 'master' into sso

Conflicts:
	whois-api/src/test/java/net/ripe/db/whois/api/rest/WhoisRestServiceTestIntegration.java
	whois-client/src/main/java/net/ripe/db/whois/api/rest/domain/GrsMirror.java