Add rubocop style files
Run rubocop
Add footnote back link
remove duplicate html-escaping in block comment
add escape_comment to escape hyphen in comments
Merge pull request #263 from kdmsnr/fn

Add footnote back link (fix #262)
Merge pull request #247 from kdmsnr/rubocop-style

Add rubocop style checking
Merge pull request #265 from kazutomi/escape-comment

Escape hyphens in HTML comments
support @<column> in ReVIEW::Builder level
add test
TOPBuilder: fix column type
TOPBuilder: add column test
HTMLBuilder: fix test
remove duplicative test
fix test name
fix test name
remove fork(); use system()
LATEXBuilder: add column title into TOC
fix test
Merge pull request #269 from kmuto/remove-fork

remove fork(); use system()