Revert "install bundler-capistrano to production because of delayed jobs needing"

This reverts commit e6523fe9375d2be7ab7fc4533f1dac0f2a12a54c.

The problem was not this one. The problems was the ruby version.
force ruby1.9 in production

This won't work in all the systems but it does on the gems-status-web-os
appliance.
Update README with delayed job instructions