Fixing some resource leaks.
Removing unreachable code.
Fixing resource leaks and null pointer issues.
Adding tests for Translator.
Merge pull request #16 from holtgrewe/feature/fixing_resource_leaks

Fixing some resource leaks.
Merge branch 'master' into feature/more_cleanup

Conflicts:
	src/test/java/jannovar/reference/TranscriptModelTest.java