add atachment comment model and controller
fix cannot see tasks in edit page. Qiu
re-structure css files. Qiu
add a render while uploading fail
convert comment to a polymorphic model, and comments controller could be access from multi parents.
Merge pull request #12 from lite/develop

MIT license in README.md, Lite
fix fancybox2 bug and restruct DOM. Qiu
test pull request. 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.
Merge pull request #14 from winsonwq/master

Have a try pull request, thanks.
fix the conflict
use fancybox 2 instead of fancybox 1,and display the fancybox thumbs
fix conflicat
Sorry, left one conflict
Merge pull request #15 from soloara/refactor

Add comments feature
Merge branch 'master' into refactor
added google analytics script, need binding to gmail later
add Tracking ID of Google Analytics