Newrelic
Faltaba el config de newrelic...
Fixes 'ruby: symbol lookup error: /app/vendor/bundle/ruby/2.0.0/gems/eventmachine-1.0.0/lib/rubyeventmachine.so: undefined symbol: rb_enable_interrupt' (hope so...)
Se vuelve a eventmachine 1.0.0 por error de 'undefined method 'empty?' for nil:NilClass'