migrated to Xtext 2.4.0; converted existing Java classes to Xtend by extending the generated Xtend stubs; added additional launch configurations
upgraded to Tycho 0.17.0
changed log level for tests to INFO
migrated to Xtext 2.4.0; fixed errors and warnings reported by Xtend Maven plugin
migrated to Xtext 2.4.0; fixed errors and warnings reported by Xtend Maven plugin