Get rid of warnings about capitalization of RSpec.
Get rid of warnings about capitalization of RSpec.

RSpec 2 uses "RSpec", as opposed to "Rspec", for its module name.

cucumber/cucumber-rails,zillou/cucumber-rails,rdlugosz/cucumber-rails,Kosmas/cucumber-rails,ipmobiletech/cucumber-rails,ipmobiletech/cucumber-rails,cucumber/cucumber-rails,analog-analytics/cucumber-rails,Kosmas/mime-types-runtime-dependency,JonathonMA/cucumber-rails,Kosmas/cucumber-rails,dchelimsky/cucumber-rails,zillou/cucumber-rails,cucumber/cucumber-rails,analog-analytics/cucumber-rails