HPCC-10186 Better Java Support for JAR Files and the ClassPath

Support a :classpath('xx') on the IMPORT command to add additional class paths
per imported function.

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
HPCC-10186 Better Java Support for JAR Files and the ClassPath

Fixes following code review

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
HPCC-10186 Better Java Support for JAR Files and the ClassPath

Undo changes to the test file that should not have been checked in.

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
HPCC-10186 Better Java Support for JAR Files and the ClassPath

Minor cosmetic changes followign code review

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge pull request #5380 from richardkchapman/java-classpath

HPCC-10186 Better Java Support for JAR Files and the ClassPath

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>