Merge branch 'release/0.8.3'
Merge branch 'release/0.8.4'
Merge pull request #375 from daikeshi/develop

Add MultipleWritableSequenceFiles case class to handle mulple input paths
Added a RichDate.now
Update algebird
Review feedback
Add support for java.util.concurrent.TimeUnit
Add a tip when scald fails to compile
Merge pull request #383 from anirudhtodi/rich_date

Added a RichDate.now
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
add .debug to tpyedPipe
Adds steps DOT to --tool.graph
Remove unused import
.limit on TypedPipe use .pipe
use .pipe on TypedPipe.limit instead of .innerPipe
Merge pull request #391 from david206/feature/typed-pipe-debug

Feature/typed pipe debug
Merge pull request #396 from david206/bugfix/typed-limit-use-pipe

Bugfix/typed limit use pipe