Introducing the TJAlienResultRewriter

This functionality is required in order to preserve backwards compatibility with TAlien and how legacy code handles return and error values.

CMakeLists.txt

@@ -31,6 +31,7 @@ set(SRCS
     TJAlienMasterJobStatus.cxx
     TJAlienPackage.cxx
     TJAlienResult.cxx
+    TJAlienResultRewriter.cxx
     TJAlienSAXHandler.cxx
     TJAlienSystem.cxx)
 string(REPLACE ".cxx" ".h" HDRS "${SRCS}")