featrue:
禁用在新建事故单时选择 支持组和人员的 功能，引导用户在新建后利用Assign功能进行分派。
Merge branch 'master' of github.com:aronezhang/ironmine
feature:
include ice cube gem
feature:
add schedule
Merge branch 'master' of github.com:aronezhang/ironmine

t push origin master:master