* Fixed: set-exec was not called or caled using the wrong have-info-map file if command was synccopy.
Merge branch 'shai' into var-stack

Merged bug fix from branch shai
 * ConfigVarStack.__reversed__ returns reversed(self.keys()) instead of reversed(self._ConfigVarList_objs).
 *  ConfigVarStack.push_scope & ConfigVarStack.pop_scope.
 * Started implementing InstallItem.get_ConfiVarList - not finished.