Upgrade ruby version to 2.1.1.  Story #210
added sqlite3-journal to gitignore
Add template controller and logic to filter only templates

Also adds links on home screen - closes #149
Build out Template view and partial
Add default pid namespace for templates
Update routing after template edit-save, edit-cancel, and destroy
Suppress header search box on selected controllers
Filter templates from catalog index
Unpublished inherits template filtering from Catalog controller
Remove custom routing and use hydra-editor routes
Merge pull request #222 from curationexperts/template_index

Template index page and associated functionality