fix bug: illegal constructor in FF v<=25.0
Merge pull request #79 from YangHeDM/master

fix bug: illegal constructor in FF v<=25.0
Update style
Merge branch 'master' of github.com:MrSwitch/hello.js
Demo flickr signin, #70
Update demos copy
Update demos copy
Merge branch 'hello-then' of github.com:MrSwitch/hello.js into hello-then
Update promise demo