Test if there are empty concepts and roles
Added H2test
Added panel in protege to check for empties.
Changed the test EmptiesDescrutionTest
Created class EmptiesAboxCheck, can be used to know if there are empties
Added test for EmptiesAboxCheck
return predicate instead of string
moved position of tests, added comments
Merge branch 'feature/generatedQueries' into develop
chenged ontop test to run over mysql
Merge branch 'develop' into version2
fix the package names in the classes for empty entities checker