tree 830acdf616c412b4e3580beb8bf548d55610e760
parent ff30848d973319c6559b966838dc1a38fc136a21
author Kevin Moore <kevmoo@google.com> 1481334610 -0800
committer Kevin Moore <kevmoo@google.com> 1481339354 -0800

Require Dart SDK >= 1.21

And test on Travis accordingly