[SMX4-1815]add TCCL as fallback classloader for xalan ExtensionHandler

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1621938 13f79535-47bb-0310-9956-ffa450edef68
[SMX4-1815]add TCCL as fallback classloader for xalan ExtensionHandler

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1621939 13f79535-47bb-0310-9956-ffa450edef68
add for next release

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1621940 13f79535-47bb-0310-9956-ffa450edef68