#278 fix for applying expressions in the reverse, test for Boolean isProperty method workaround
#277 fixing faulty match check in built-in methods on return/target type.
#169 Copying sources from core-common to core/core-jdk8 using maven-resources-plugin to allow faster builds and nicer roundtrips in IDEs
#202 Refactor integration tests to use Maven Verifier, different JDKs using toolchains, and the Eclipse JDT compiler.