Merge pull request #50 from AndyYou/master

modify model of project and edit view for it
Merge pull request #51 from AndyYou/master

add bootstrap input-prepand
Merge pull request #52 from AndyYou/master

fixed all ui bug of create view
Project create page test ok
Project edit not finish
Merge pull request #38 from CalvertYang/master

Project edit not finish