Bug 577278 - Readme file for 4.22 Change-Id: I23a34f43626092d491bd28860ba08808f717ce7b Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.releng/+/187820 Tested-by: Sarika Sinha <sarika.sinha@in.ibm.com> Reviewed-by: Sarika Sinha <sarika.sinha@in.ibm.com>