Merge pull request #17 from yuyaun/master

修改驗證 github 改用 oauth 方式
Merge pull request #18 from yuyaun/master

稍調
changed hackpan -> hackpad.
updated css style
changed background
changed background
Merge branch 'master' of https://github.com/HanGee/joinNow

Conflicts:
	app/views/article/edit.swig