Update RVM loading for Passenger 4, Rails 3 and newer RVM versions ( >= 1.20.11 ). Reference here: http://joncairns.com/2013/06/using-project-specific-gemsets-with-rails-rvm-and-passenger/

setup_load_paths.rb

if ENV['MY_RUBY_HOME'] && ENV['MY_RUBY_HOME'].include?('rvm')
  begin
    require 'rvm'
    RVM.use_from_path! File.dirname(File.dirname(__FILE__))
  rescue LoadError
    # RVM is unavailable at this point.
    raise "RVM ruby lib is currently unavailable."
  end
end