Added clean, distclean, check, uninstall targets to the GNUmakefile; improved error message in jigs.make
Added clean, distclean, check, uninstall targets to the GNUmakefile;
improved error message in jigs.make


git-svn-id: 24fa4b27c64f2331e3a2211458c622398da3b010@10064 72102866-910b-0410-8b05-ffd578937521

gnustep/java,gnustep/java,gnustep/java