Revert "upgraded to Ruby on Rails 3.2.10"

This reverts commit 6a38669a469121d2e59f9aaa9dd403761a9f5de1.
Revert "Revert "upgraded to Ruby on Rails 3.2.10""

This reverts commit 6dc4bf0ea9d1d66943ed60240169c2a9abc938b6.
commented out new gems and put back the prototype-rails one, so it's still usable