Update Doctrine links to 2.2 for master

[weaverryan]

See #1114, which made changes for the 2.0 branch.

[burn2delete]

@weaverryan do you want the pull request for the master branch then? I can submit it when i get home.

[weaverryan]

Yep, that would be perfect (to the master branch) actually! :)

[burn2delete]

@weaverryan ready to go, let me know if you find any issues with the links.