implemented getNodes
Merge remote-tracking branch 'origin/master'

Conflicts:
	openesdh-repo/src/main/java/dk/openesdh/repo/services/xsearch/XSearchService.java
	openesdh-repo/src/main/java/dk/openesdh/repo/services/xsearch/XSearchServiceImpl.java
	openesdh-repo/src/test/java/dk/openesdh/repo/model/ModelLookupTest.java
fixed merge conflicts
Merge remote-tracking branch 'origin/master'