login to order in place.
register to order in place.
register or login to order in place.
fixed rspec error.
add feature test.
alert login error.
remove test ng-init.
fixed rspec error.
Merge branch 'master' into saberma-enhancement/542-anonymous-order
fixed javascript test.
Merge pull request #547 from saberma/saberma-enhancement/542-anonymous-order

活动页面支持用户购买前在当前页面直接注册或者登录