Support Xray-JUnit extension format

Users must be able to import JUnit results using the Xray extended format.

This format adds the following property elements:

• testrun_comment
• requirements
• test_key
• test_id
• test_description
• test_summary
• tags
• testrun_customfields
• testrun_evidence

https://github.com/Xray-App/xray-junit-extensions