Merge pull request #1 from astaxie/master

merge with asterxie/bee master
fmt code, and fix bug(bee new has wrong path seprator in windows)
Merge pull request #2 from astaxie/master

merge with astaxie master
modify bee test for more competible with none beego project, and add func safePathAppend
resolve some merge problem
Merge pull request #33 from shxsun/master

modify bee test, fix some bug