add git url

Author: grahamegrieve

xml/FHIR-testing.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<specification xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ciUrl="https://build.fhir.org/ig/HL7/fhir-testing-ig" defaultVersion="current" defaultWorkgroup="fhir-i" url="http://hl7.org/fhir/uv/testing">
+<specification xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ciUrl="https://build.fhir.org/ig/HL7/fhir-testing-ig" defaultVersion="current" defaultWorkgroup="fhir-i" gitUrl="https://github.com/HL7/fhir-testing-ig"  url="http://hl7.org/fhir/uv/testing">
 <version code="current" url="https://build.fhir.org/ig/HL7/fhir-testing-ig"/>
 <version code="0.1.0-SNAPSHOT1" url="http://hl7.org/fhir/uv/testing/0.1.0-SNAPSHOT1"/>
 <artifactPageExtension value="-definitions"/>