coals 0.1.0

When run in a ruby project, Coals provides an interactive interface for calling rake tasks with the appropriate arguments. Some features include: * Setting the execution prefix of your choice, i.e. 'rake', 'bundle exec rake', 'bin/remote-rake development', etc. * Set aliases for common values: `coals --alias me jimbo@springfield-high.edu` * Review and confirm command before running.