fix diff bug remove unused javascript.
improve layout of attachment deletion
refactoring. add support of showing children pages.
fix a description
add LOGICAL_PATH_SEPARATOR
use twitter bootstrap
change style.
change style
add margin of table
add hr above children links.
fix a style bug of ol and ul
Merge branch 'master' of github.com:haruyama/git-wiki

Conflicts:
	public/style.css