Switched to Gradle and Eclipse. Added Groovy dependencies.
Experimenting with groovy-indy.
Logging setup.
Merge branch 'master' of https://github.com/iirekm/tryouts.git

Conflicts:
	.classpath
	build.gradle
	tryouts-core/.classpath
	tryouts-core/.settings/org.eclipse.jdt.groovy.core.prefs
	tryouts-core/src/com/github/iirekm/tryouts/lang/control/ExceptionsTest.java