Switched to allowing a more canonical require statement

require "shoulda/matchers"  # canonical

-vs-

    require "shoulda-matchers"  # still allowed

See comments of http://blog.segment7.net/2010/11/15/how-to-name-gems

lib/shoulda-matchers.rb

@@ -1,8 +1 @@
-require 'shoulda/matchers/version'
-
-if defined?(RSpec)
-  require 'shoulda/matchers/integrations/rspec'
-else
-  require 'shoulda/matchers/integrations/test_unit'
-end
-
+require 'shoulda/matchers'

lib/shoulda/matchers.rb

@@ -0,0 +1,7 @@
+require 'shoulda/matchers/version'
+
+if defined?(RSpec)
+  require 'shoulda/matchers/integrations/rspec'
+else
+  require 'shoulda/matchers/integrations/test_unit'
+end