Clean up typos from last commit
Set concurrency based on avaiable limits
Use unique ports with parallel_tests

Every new thread will now start Rails on a different port to avoid port
collisions.
Only try to start Rails if this is a Rails app
Install task for rspec parallel

Added a task for creating sauce_helper, editing spec_helper, giving further directions upon installation
Merge branch 'master' of github.com:sauce-labs/sauce_ruby

Conflicts:
	lib/sauce/integrations.rb
	lib/tasks/parallel_testing.rb
Fix merge mistake
Merge pull request #141 from DylanLacey/master

Fix trailing "end"