add a unit test
Merge pull request #18 from dart-lang/devoncarew_add_test

add a unit test
add drone script
Merge branch 'master' into devoncarew_more_tests
add an all.dart test suite; fix an analysis issue
Merge pull request #19 from dart-lang/devoncarew_more_tests

Devoncarew more tests
Merge remote-tracking branch 'upstream/master'
Remove extraneous line.