Add basic logic to run Hadoop MapReduce.
Improve jobs list display.
Improve job creation.
Add support for jobs arguments and retries.
Add job page.
Add condition to hide stdout and stderr for jobs not yet finished.
Fix typo.
Change job textarea to read only.
Change stdout and stderr definitions. Fix #14.
Merge master branch.
Add reconnect

reconnect to database for restarting or timeout
Merge pull request #11 from pbl-cloud/use_hadoop

MapReduce動かす機能の追加