Add rspec-rails spec suite to travis builds.

Author: myronmarston

travis/script/clone_all_rspec_repos

@@ -9,6 +9,7 @@ if is_mri; then
   clone_repo "rspec-core"
   clone_repo "rspec-expectations"
   clone_repo "rspec-mocks"
+  clone_repo "rspec-rails"
 
   if rspec_support_compatible; then
     clone_repo "rspec-support"

travis/script/run_build

@@ -14,6 +14,7 @@ if is_mri; then
   run_spec_suite_for "rspec-core"
   run_spec_suite_for "rspec-expectations"
   run_spec_suite_for "rspec-mocks"
+  run_spec_suite_for "rspec-rails"
 
   if rspec_support_compatible; then
     run_spec_suite_for "rspec-support"