Merge branch 'release/0.4.4' into develop
Use client version 0.5
Fix config file
Merge pull request #1 from jubatus/client-0.5

Client 0.5
Fix version number in README and localhost
Merge pull request #3 from jubatus/fix_client-0.5

Fix client 0.5
Remove config.json and use installed one
Merge branch 'release/0.5.0'