apply twitter theme
Merge branch 'master' of https://github.com/mogging/mogging.github.io

Conflicts:
	2014/12/11/vim-commonly-used-command/index.html
	2014/12/27/siyuedehuanghun/index.html
	2014/12/27/zhixiangshu/index.html
	404.html
	index.html
apply twitter theme