Needed to set bundle command

Signed-off-by: Gordon B. Isnor <gordonbisnor@gmail.com>
Ruby version discrepancy; secrets.yml issue

- TalkingQuickly/rails-server-template uses rbenv 2.1.2, but capistrano-3-rails-template is specifying 2.1.1  - discrepancy was an issue;
- lack of secrets.yml caused an issue
updated gem versions, had issues with those specified in readme