make the reuse of radio and check question create
Merge pull request #15 from charleschu/herbert/backend-integration

Herbert/backend integration
text change
add area question preview

add area question preview
fix messy code
Merge branch 'master' into Jack/AddAreaQuestion

Conflicts:
	js/controller/question.preview.js
fix conflict

fix conflict with master branch
fix confict

fix confict with master branch
fix confict with master

fix confict with master
fix conflict with master

fix conflict with master
add  creator change
fix error
change delegate form

change addPCDDelegate from *.delegate into events: {"": ""}
fix a spell fault

fix a spell fault
Merge pull request #16 from charleschu/Jack/AddAreaQuestion

WIP:add area question preview
fix confilct
Merge pull request #14 from charleschu/charles/some-refactor

WIP: Chage the view when select different type
Merge remote-tracking branch 'origin/master' into herbert/backend-integration