Set up CRUD routes:
-model functions
-CRUD action functions
--also deleted routes/groups.js
Build CRUD templates for groups.
Also remove former templates/groups.hbs because it wasn't doing anything and we have templates/groups/index.hbs
Update router.js to include edit and create routes
Add description fields to create and edit pages and link to create page on index
Fix group model to include description, Add description to show template
Fix problem with 'create' link
Fix file duplication bs
Merge pull request #12 from coreyd303/crud-groups

Crud groups