Update home page style.
Merge branch 'master' of github.com:zhoule/zhoule.github.com

Conflicts:
	_site/feed.xml
Remove temporary file.
Update page content style
Merge branch 'master' of github.com:zhoule/zhoule.github.com

Conflicts:
	_site/feed.xml
	_site/index.html
Regenerate feed.xml and index.html.