clean Gemfile and update to rails 4.1 and Ruby 2.1.2
update .gitignore and add config/secrets.yml.example to use for reference where where we can add Conketa API Key
add dotfiles for ruby-version and ruby-gemset compatible with RVM and rb-env
update README.md with new instructions
remove white trail spaces
Merge pull request #2 from javiermurillo/set_dev_enviroment

Update Gemfile and README.md for Development