Update Rails to 4.1.8.
Update Rails to 4.1.8.

To address latest security issue:
http://weblog.rubyonrails.org/2014/11/17/Rails-3-2-21-4-0-12-and-4-1-8-h
ave-been-released/

smcgov/ohana-api-smc,smcgov/ohana-api-smc,smcgov/ohana-api-smc,smcgov/ohana-api-smc