As system, the REST API should be able to import results in JUnit

JUnit is used massively in the Java world but not only. In fact, many testing frameworks are using JUnit XML reports as the "de facto standard" format.

Xray must provide endpoints for importing test execution results from an JUnit XML report.

Notes: there may be some different variants on the format wild spread. Some references bellow.

• https://github.com/windyroad/JUnit-Schema/blob/master/JUnit.xsd
• http://junit.org/junit4/
• https://github.com/jenkinsci/xunit-plugin/tree/master/src/main/resources/org/jenkinsci/plugins/xunit/types , namely the files within the folder https://github.com/jenkinsci/xunit-plugin/tree/master/src/main/resources/org/jenkinsci/plugins/xunit/types/model/xsd
• http://llg.cubic.org/docs/junit/