Implement group cloning. Closes #96.
Update CHANGELOG for v1.9.1.
Make sure that API does not display private groups.
Add secondary ordering of groups and links by title.
Add group cloning to seed data. Closes #106.
Refactor dashboard group partial.
Fix unnecessary variable and typo in test file.
Merge pull request #110 from msrose/feature/group-cloning

Allow users to clone groups of other users.
Update README to direct to CHANGELOG for version information.
Merge pull request #113 from msrose/feature/api

Prevent private groups from being displayed in API, make sure ordering is correct. Closes #108, #109.
Add ruby version to Gemfile and .ruby-version file.
Add Comment model.
Add comments controller.
Implement views for comments.
Account for current user required for edit/update/delete in tests.
Allow users to delete any comment from their own groups.

- Show time when comment was create/edited
Merge pull request #116 from msrose/feature/group-comments

Group comments. Closes #112.
Add logs to seeds file.
Allow users to add links to groups from the dashboard.
Make sure add button does not show up on public profile.