bundle update

Forcing rails to version 3.2.17 because of CVE-2014-0081
Forcing net-ssh to version 2.7.0 because of https://github.com/net-ssh/net-ssh/issues/148
migrate to Rails 4.0 (closes foodcoops#214)

Conflicts:
	Gemfile.lock
use encrypted cookies on new installations
make heroku work again
fix order article add + test