Move XMLHelper initialisation from ScriptEngineManager to static block in XMLHelper class:
- code did not belong in JSR-223 implementation
- code now works even for Java 1.6+ (which do not use the BSF version of ScriptEngineManager)

git-svn-id: https://svn.apache.org/repos/asf/jakarta/bsf/branches/bsf3.x@947405 13f79535-47bb-0310-9956-ffa450edef68
2 files changed