Merge pull request #76 from taigaio/bug/1206/changing-us-status-in-kanban

fix #1206

app/coffee/modules/kanban/sortable.coffee

@@ -37,6 +37,10 @@ module = angular.module("taigaKanban")
 
 KanbanSortableDirective = ($repo, $rs, $rootscope) ->
     link = ($scope, $el, $attrs) ->
+        bindOnce $scope, "project", (project) ->
+            if not (project.my_permissions.indexOf("modify_us") > -1)
+                return
+
             oldParentScope = null
             newParentScope = null
             itemEl = null