add unicorn & add .env to .gitignore
assets pipeline precompiled for ENV:production. Added Procfile and Unicorn
gemfile.lock
CD with Travis
upstram merge
merged with thomas develop
updated documents controller spec
done model_spec and validations changes in documents
Update document form
Merge remote-tracking branch 'yaro/develop' into develop
Merge remote-tracking branch 'yaro/avatar' into develop
implemented gravatar image
982890-63047068 Users can have avatars - 2 iteration