Basic Payola::Plan concern
A little clean up.
Merge pull request #25 from jagthedrummer/jeremy/payola_plan

Basic `Payola::Plan`
First pass at creating the plan at Stripe
use the default currency or the one specified in the plan
Fix the call style
Strigify the class name for ActiveJob
Create the plan in band and in the before save callback
Remove 'queue' from the method name for creating stripe plan
Fix wording of the spec
Merge pull request #26 from jagthedrummer/jeremy/payola_plan_stripe

First pass at creating the plan at Stripe
Update the README with basic info about Payola::Plan
Merge pull request #27 from jagthedrummer/jeremy/payola_plan_docs

Update the README with basic info about Payola::Plan
Getting started with Payola::Subscription
Pulled in lifecycle from Payola::Sale
Need to use the secret key in the call to Stripe.
Merge pull request #29 from jagthedrummer/jeremy/payola_plan_bug_fix

Payola::CreatePlan should use the secret key in the call to Stripe.
Merge pull request #28 from jagthedrummer/jeremy/payola_subscription

Payola::Subscription
Getting started on a subscription form
Getting started with subscription javascript