Update UPGRADE-2.2.md
implement feedback
merged branch vicb/patch-1 (PR #483)

This PR was merged into the master branch.

Commits
-------

214e3cf implement feedback
8363f4d Update UPGRADE-2.2.md

Discussion
----------

Update UPGRADE-2.2.md

---------------------------------------------------------------------------

by vicb at 2013-01-25T12:32:51Z

I did not mention rendering a controller specifically as I wanted to keep this simple. What do you think ?

---------------------------------------------------------------------------

by vicb at 2013-01-25T12:51:30Z

done