change plural forms to use the correct word
Merge branch 'master' into rails-4.2

* master:
  change plural forms to use the correct word
fixes #1148 use to_hash instead of to_h
Merge pull request #1153 from concerto/1148-params-fix

fixes #1148 under ruby 1.9
Merge branch 'master' into rails-4.2

* master:
  fixes #1148 use to_hash instead of to_h