Merge pull request #166 from DylanLacey/master

allow :name to over-ride :job_name
Merge pull request #167 from DylanLacey/master

Fix examples; Allow Heroku config to be disabled.
Preparing for release of 3.1.3
Inform users that File Uploads should just work
Corrected README to include "rake" in parallel commands.
Fix links that reference GitHub organization
Merge branch 'master' of github.com:sauce-labs/sauce_ruby

Conflicts:
	README.markdown
Change ENV name for concurrencies to concurrency
Switched to sauce_whisk for Cucumber job status integration