Handle XHR for verifying email #6215
Merge pull request #230 from sharoonthomas/develop

Handle XHR on reset password #6141
Merge pull request #232 from GauravButola/handle-signup-xhr-3.2-6215

Handle XHR for verifying email #6215
Fix multipart email rendering #6378

* Refactored mail construction for different cases
* Added tests to verify the constructed email.message