cache integration for token persistence

[xleliberty]

Hi CommerceGuys,

I've forked your excellent work to add Cache integration ( Doctrine cache ) .
It add a dependency on doctrine/cache in composer but doesn't introduce any bc break.
Is it something that your interested in, if yes i can send a PR.

Regards

Xavier

[pjcdawkins]

Hi Xavier, yes we would be interested - please do make a PR :)

[xleliberty]

Hi Patrick,
here it is: #26

[ajouve]

Did you forgot the PR ? :(

I have an example there if you want a quick integration http://blog.ajouve.com/symfony2/oauth2/microservice/2015/12/19/oauth-microservice-symfony.html#improvements.

I can do a PR later to integrate memcache