Vision theme bug fix

Fixed the background image class for the navbar (Bootstrap 3 class
override in theme class)
Dashboard update

Removed restriction of dashSubmit and dashEdit CSS classes to only input
tags.  Allows their use on button or other tags.
System app settings page update

Update to support Bootstrap 3 forms.  Added helpers to fields.
Blog app main page update

Updated Add/Edit buttons.  Add button moved to the right side of app
head as a drop down icon, with new drop down options.  Changed Edit
button to a dropdown icon.