GROOVY-4663: Groovy Console shows both full and sanitized stack trace by default
GROOVY-6099: Flow typing type error in the "else" branch of a conditional
GROOVY-6104: Constants are not looked up in interfaces from parent classes
Fix unit test for builds on JDK5
GROOVY-6101: VerifyError when using null-safe navigation on a method that returns a primitive type
Merge pull request #168 from andresteingress/GROOVY-4663

GROOVY-4663: Groovy Console shows both full and sanitized stack trace by...