Fixed the checking for activerecord errors in tasks and impediments to check for errors.empty?

app/controllers/rb_impediments_controller.rb

@@ -3,8 +3,7 @@ class RbImpedimentsController < RbApplicationController
 
   def create
     @impediment = Impediment.create_with_relationships(params, @project.id)
-    result = @impediment.errors.length
-    status = (result == 0 ? 200 : 400)
+    status = (@impediment.errors.empty? ? 200 : 400)
     @include_meta = true
 
     respond_to do |format|

app/controllers/rb_tasks_controller.rb

@@ -4,7 +4,7 @@ class RbTasksController < RbApplicationController
   def create
     @task = Task.create_with_relationships(params, @project.id)
 
-    status = (@task.errors.none? ? 200 : 400)
+    status = (@task.errors.empty? ? 200 : 400)
     @include_meta = true
 
     respond_to do |format|