fail when original file not exist
.travis.ymlにidobataのhookを追加
add compare_docs task
add octokit gem
Merge pull request #123 from melborne/update-rake

fail when original file not exist
Merge pull request #125 from jekyllrb-ja/add-travis-notification

.travis.ymlにidobataのhookを追加
Fix broken URLs

- Travis-CI badge URL
- SSH clone URL
Fix confusing URLs

誤解を招く可能性のあるURLを修正
Merge pull request #127 from harupong/broken-urls

README.md の URL 修正
Merge pull request #126 from melborne/compare-docs-task

add compare_docs task
README.mdを整備 #14 #97
add thor tasks for get diffs
fix task name to dir_diff
use print instead of puts to avoid thread problem
accept dot(.) as current direcotry
fix removed files output
ensure arg passing onto thread
Merge pull request #129 from melborne/task-by-thor

add thor tasks for get diffs related #122
仮の話はいったん削除。現在の仕様にあわせる #14 #97
Merge pull request #124 from jekyllrb-ja/refactor-readme-#14-#97

README.mdを整備 #14 #97
[installation.md] it ships with の改案 #13