[2] Install paperclip from Scratch & nodejs, as online tutorial

Check git diffs, to see possible reason that Rails can be broken on master with paperclip or with gems I need to add /quit.

Posibilities:
- Need some gem/s
- Problem with gem -v and ruby -v
- Node.js (already out, node.js installed)
- Problem with carrierwave gem and/or files
- Broken before (guide manual change).
...