include JUnit. Test for having at least one input argument
Merge branch 'master' of https://github.com/dpilipenko/RosettaChallenges

Conflicts:
	Burkhart_Language/burkhart-validator/src/burkhart/validator/BurkhartValidator.java
	Burkhart_Language/burkhart-validator/tests/burkhart/validator/BurkhartValidatorTest.java