Gradle cleanup
Removed useless tests from koan09
Attempt to fix #10 by removing platform dependent chars
Merge branch 'master' of https://github.com/nadavc/groovykoans
Remove integration with Travis because it has heap restrictions
Implemented @kob-aha's fix and upgraded to Gradle 1.3
Reverting to Gradle 1.2 due to some internal Gradle error
Upgrade to Gradle 1.4