Bug 813009 Render initial splash messages for costcontrol.

- Implements widget message in notifications areat .
- Implements initial splash page when opening app for first time.
Merge pull request #7454 from KevinGrandon/bug_813009_cost_control_widget

Bug 813009 Render initial splash messages for costcontrol.
Merged because bb+ and r+
Auto-merge from branch 'master'