DDF-461 Fixed bug where spinner is not removed when result count is 0

- Removed spinner from empty view of result collection
- Converted metacard list view to marionette layout
- Added result list to region of metacard list view
- Added spinner to onShow of list region to get correct height and width
- Converted result count to use region and templates instead of JQuery
- Replaced search control view reference with wreqr call to show 
  metacard details
- Moved all metacard list related templates into single folder
- Fixed test to look for correct result count id