Merge pull request #1186 from dennishendriksen/feature/genericdataexplorer

Feature/genericdataexplorer: Subprotocols are not repositories
added a test for the omxrepositoryiterator
changed public into package private
Merge pull request #1187 from RoanKanninga/molgenis/feature/genericdataexplorer

added a test for the omxrepositoryiterator
fix #1184 OmxRepository offset issue
update doc
update guava 14.0.1 to 16.0.1 (TreeTraverser update, fix for java 6u51)