Adds Git info for non-committers

git-svn-id: https://svn.apache.org/repos/asf/struts/site@1578756 13f79535-47bb-0310-9956-ffa450edef68
Adds Git info for non-committers

git-svn-id: https://svn.apache.org/repos/asf/struts/site@1578757 13f79535-47bb-0310-9956-ffa450edef68