Merge branch 'release/0.5.3'
Fix URLs of 20news
Fix tutorial step to start classifier
Write detail of plugin path
Fix a typo
Fix explanation
Remove desu/masu style
bump version
Merge branch 'release/0.5.4'
Fix build instruction for jubatus_core
add description of delete_label
fix typo
fix typo s/filed/field/
Merge pull request #145 from jubatus/feature/delete_label

add description of `delete_label`
Fix zookeeper's version.
Fix a grammatical error.
Merge pull request #147 from gwtnb/grammatical

Fix a grammatical error.
Merge pull request #138 from jubatus/fix-tutorial-step

Fix tutorial step to start classifier
Merge pull request #137 from jubatus/fix-news20-url

Fix URLs of 20news
Merge pull request #139 from jubatus/write-plugin-loadpath

Write detail of plugin path