RORLabNew/rorla — pull request #82 by rorlab (2014-09-15 10:02:39+00:00)
Title: pagedown-bootstrap-rails 젬을 fork 받아 preview 버튼을 추가하여 사용함.

![2014-09-15_19-02-11](https://cloud.githubusercontent.com/assets/511048/4269690/659efd76-3cbf-11e4-9127-b09c8cc67b87.png)