Move ant out of the primary classpath; the shell script and batch file
now load it from this out-of-band location.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1605119 13f79535-47bb-0310-9956-ffa450edef68
Update the log4j version reference in the tests-cobertura task.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1605120 13f79535-47bb-0310-9956-ffa450edef68
Remove ant-nodeps, it's no longer part of 1.9.0 apparently.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1605121 13f79535-47bb-0310-9956-ffa450edef68