Update algebird
Add support for java.util.concurrent.TimeUnit
Add a tip when scald fails to compile
Merge pull request #385 from twitter/feature/concurrent-date

Add support for java.util.concurrent.TimeUnit
Merge pull request #388 from twitter/feature/scald-suggestion

Add a tip when scald fails to compile
Adds some comments to trigger travis to re-run
Merge pull request #384 from johnynek/feature/algebird-0.1.12

Update algebird