Merge pull request #58 from fjfdepedro/issue-42

Issue 42 - ufo research team
Merge pull request #59 from fjfdepedro/issue-42

sign up
added Cloudinary::CarrierWave
added Uploader
Merge pull request #60 from jcarlosgarcia/issue-42

Issue 42
Guidelines and styles added
Merge pull request #61 from jcarlosgarcia/issue-42

Guidelines and styles added
form sign in and sign up