Add User#allowed_to_globally? which wraps User#allowed_to?
Refactor: split NewsController#new into #new and #create methods.
Merged r4107 from trunk.
Merged r4105 from trunk.
Merged r4104 from trunk.
Merged r4103 from trunk.
Merged r4102 from trunk.
Merged r4100 from trunk.
Merged r4099 from trunk.
Merged r4096 from trunk.