MIT license in README.md, Lite
Merge pull request #12 from lite/develop

MIT license in README.md, Lite
fix fancybox2 bug and restruct DOM. Qiu
test pull request. Qiu
add a render while uploading fail
convert comment to a polymorphic model, and comments controller could be access from multi parents.
fix the conflict
use fancybox 2 instead of fancybox 1,and display the fancybox thumbs
fix conflicat