updated the README file for the CF Maven Plugin
updated the README file for the CF Maven Plugin

Change-Id: I1a380af0e69a28b666a6772babe05430148bf599

cloudfoundry/cf-java-client,orange-cloudfoundry/cf-java-client,alexander071/cf-java-client,Orange-OpenSource/cf-java-client,alexander071/cf-java-client,Orange-OpenSource/cf-java-client,cloudfoundry/cf-java-client,orange-cloudfoundry/cf-java-client,cloudfoundry/cf-java-client