Fixed #239

Proposals dashboard refactored to dashboard.
Added missing specs for the dashboard.

spec/models/dashboard/administrator_task_spec.rb

@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+describe Dashboard::AdministratorTask do
+  subject { build :dashboard_administrator_task, source: executed_action }
+  let(:executed_action) { build :dashboard_executed_action }
+
+  it { should be_valid }
+
+  context 'when source is nil' do
+    let(:executed_action) { nil }
+
+    it { should_not be_valid }
+  end
+end
+