Skip API-not-supported checks if referencing anything other than production office.js
Skip API-not-supported checks if referencing anything other than production office.js

(Done in order to support documentation of preview APIs; https://github.com/OfficeDev/office-js-snippets/pull/69)

cshashwat/script-lab,cshashwat/script-lab,cshashwat/script-lab