gradle build file made compatible with java8: findbugs, errorprone and jacoco plugins are excluded + javadoc configuration added
errorprone dependency decommented
VariableBean is now accessible outside of the package
OPAL-2613 Api changed for removing a value set or all value sets. Implemented in MongoDB only.
OPAL-2613 Binary data removal implemented
OPAL-2613 Delete the files from the GridFS when removing the table or the value sets of the table
OPAL-2613 Hibernate table can drop all value sets
OPAL-2613 Hibernate table can drop a specific value set
OPAL-2632  method supports the sequence of identifiers. Make sure also to not return a value that would be a sequence of sequences.
PMD fix