Fix typo at active_record_querying.md
Fix README.md from .rb to .sh
Merge pull request #14 from yui-knk/fix/active_record_querying

Fix typo at active_record_querying.md
Merge pull request #15 from yui-knk/fix/readme

Fix README.md
Merge pull request #16 from yui-knk/fix/readme2

Fix README.md from .rb to .sh
Merge branch 'japanese' of github.com:yasslab/railsguides.jp into japanese
Fix typo at AR Querying
Publish The Rails Command Line
Merge pull request #20 from yui-knk/translate/command_line

Publish The Rails Command Line
Merge branch 'japanese' of github.com:yasslab/railsguides.jp into japanese
Update command_line.md title and a few sytanx errors
Apply PR #20 to GTT and fix some of translations
Replace CR+LF -> LF to successfully generate Header/Title text in markdown.rb
Use ol tag to show social buttons and logos w/o check button image
Fix mistranslation
Merge pull request #21 from yui-knk/fix/command_line

Fix mistranslation
Merge branch 'japanese' of github.com:yasslab/railsguides.jp into japanese
Revise a paragraph for better reading in command_line.md
Publish Rails Engines (Translated by @hachi8833)
Revise gist sentences at Rails Engine