Fix NPE if ext dir not set
TestUtils.printTestBanner();
Improve ext mig test
Add testExternalMigrator
Fix test, add log msgs
Add BeanValidation and Hibernate Validator 5.0.1
MIGR-130 Allow using BeanValidation on JAXB classes (over HibernateValidator); first test with MigrationDefiniton.
MIGR-130 Allow using BeanValidation on JAXB classes (over HibernateValidator); add HasValidation
MIGR-130 Allow using BeanValidation on JAXB classes (over HibernateValidator); first test with MigrationDefiniton.
Ignore one ext loader test as it would leave loaded Groovy classes in JVM.
Move class util methods to ClassUtils and add findClassOriginFile(Class) and findClassPathRootFor(Class)