DDF-710 Tweaks to the Admin UI based on PR comments.

-mostly minor ui tweaks (less files).
-minor rewrite of feature tab views.  Yanked out most of the datatables
configurations.  However, most of the data tables functionality for
sorting is still in place.
Merge pull request #18 from McLucas/feature/DDF-710
Merge branch 'develop' of https://github.com/McLucas/ddf-admin into feature/DDF-705_Convert_to_System

Conflicts:
	ui/src/main/webapp/templateConfig.js