[ci skip] update wiki link for MVC
Merge pull request #15735 from aditya-kapoor/update-wiki-md

[ci skip] update wiki link for MVC in README
reload I18n as we are defining `:ts` locale
fix build- see https://travis-ci.org/rails/rails/jobs/27578159#L2913.
Merge pull request #15737 from kuldeepaggarwal/fix-build

reload I18n as we are defining `:ts` locale  in  `test_number_to_human_with_custom_translation_scope`