Fixed an error in the user information
rake db:migrate に環境名を渡すよう追記。ついでにいらない文章を削除。
Merge remote-tracking branch 'origin/develop' into release-0.10.0

Conflicts:
	README.md
	app/helpers/articles_helper.rb
バッヂのブランチ名を変更
Merge pull request #110 from lodge/release-0.10.0

Release 0.10.0
CHANGELOG.mdを生成
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