add criterrion
add enumerize
add jurors
add evaluation
add jurors controller
add stage model
add stages controller
add criterion controller
add button to admin/index
add locales and make up to stages/index stages/form
some make up
fix tests
some make up and locales
fix arguments in criterions
commit
add login and password to jurors
add juror auth
add juror/welcome controller
add flash messsage about criterion
fix updating and deleting criterions