feat(settings): add setting to disable device mapping for regular users (#4017)

* feat(settings): introduce device mapping service

* feat(containers): hide devices field when setting is on

* feat(containers): prevent passing of devices when not allowed

* feat(stacks): prevent non admin from device mapping

* feat(stacks): disallow swarm stack creation for user

* refactor(settings): replace disableDeviceMapping with allow

* fix(stacks): remove check for disable device mappings from swarm

* feat(settings): rename field to disable

* feat(settings): supply default value for disableDeviceMapping

* feat(container): check for endpoint admin

app/docker/views/containers/create/createcontainer.html

@@ -629,7 +629,7 @@
             </form>
             <form class="form-horizontal" style="margin-top: 15px;">
               <!-- devices -->
-              <div class="form-group">
+              <div ng-if="showDeviceMapping" class="form-group">
                 <div class="col-sm-12" style="margin-top: 5px;">
                   <label class="control-label text-left">Devices</label>
                   <span class="label label-default interactive" style="margin-left: 10px;" ng-click="addDevice()">