get a single folder entry method implemented
fixing spelling mistake
Merge branch 'develop' of github.com:piotrholubowicz/rosrs-client-common into develop
Merge branch 'develop' of github.com:piotrholubowicz/rosrs-client-common into develop

Conflicts:
	src/main/java/org/purl/wf4ever/rosrs/client/Folder.java
Merge branch 'develop' of github.com:piotrholubowicz/rosrs-client-common into develop
Merge branch 'develop' of github.com:piotrholubowicz/rosrs-client-common into develop
Merge branch 'develop' of github.com:piotrholubowicz/rosrs-client-common into develop
Merge branch 'develop' of github.com:piotrholubowicz/rosrs-client-common into develop
Merge branch 'develop' of github.com:wf4ever/rosrs-client-common into develop
Merge branch 'develop' of github.com:wf4ever/rosrs-client-common into develop
solr query builder implemented
query string escaped
solr search server service added
Facets search result designed
FacetValue class added
Merge remote-tracking branch 'wf4ever/develop' into develop

Conflicts:
	src/main/java/org/purl/wf4ever/rosrs/client/search/SearchServer.java
	src/main/java/org/purl/wf4ever/rosrs/client/search/SolrSearchServer.java
	src/main/java/org/purl/wf4ever/rosrs/client/search/SparqlSearchServer.java