the new template loaders are now included in the settings


implemented the extended template loader and the default template loader - broke the dashboard.html template into smaller extendable pieces


initial template loader implemented

Manual
  - tried creating an extended template with no actual extension and the loader correctly loads an empty template
  - tried creating an extended template that extends the template_default.html and the loader correctly loads the extended templed
  - tried extending templates that were included in a template (the dashboard components in admin) the loader correctly loaded the extensions