* Add parseFrameURL for masking user-facing pages.
Allow users to specify a different address which is used to mask parse
requests for verifying email and resetting password. This is how Parse.com
used to allow customers to gain control over page content, styling etc.
On the destination page javascript is used to check the link in the request
and embed the parse server page using IFRAME.
* Fix code indentation
* Rename method for building link and pass config to it.
* Add customPages options to README.md.
* Add tests for parseFrameURL email link building, and parseFrameURL option.
* Add parseFrameURL for masking user-facing pages.
Allow users to specify a different address which is used to mask parse
requests for verifying email and resetting password. This is how Parse.com
used to allow customers to gain control over page content, styling etc.
On the destination page javascript is used to check the link in the request
and embed the parse server page using IFRAME.
* Fix code indentation
* Rename method for building link and pass config to it.
* Add customPages options to README.md.
* Don't Object.assign to defaultConfiguration global
