go forward to new vocabularies: ReviewLevels and Countries
revoke changes and update version no.
rebuild some classes with javacc
enhance the tests to new added vocabulary
making vocabularies available for transformation: review_levels and countries
Trying to improve transformator logging and error handling
add property "refereed" to the transformation schema
added dnet:resource_type vocabulary; extended OAF schema for oaf:concept; updated commons-lang3 or replaced by commons-text
better logging
typo
wrap the entire exception
migrated to dnet45, using updated mockito version
codebase used to migrate to java8 the production system