Added mrproper (remove generated Makefiles) target to root configure file.

refs 3079

org.fortiss.af3.generator.common/trunk/src/org/fortiss/af3/generator/common/textgen/c/templates/RootConfigureFile.stg

@@ -30,6 +30,10 @@ echo ""
 echo "# The default clean target."                                                        \>\> \$MF;
 echo "clean:"                                                                             \>\> \$MF;
 echo '	@for D in \${DIRS}; do make -C \$\$D clean; done'                                    \>\> \$MF;
+echo "# The Mr. Proper build target."                                                        \>\> \$MF;
+echo "mrproper:"                                                                               \>\> \$MF;
+echo '	@for D in \${DIRS}; do make -C \$\$D mrproper; done'                              \>\> \$MF;
+echo '	@rm Makefile'                              \>\> \$MF;
 
 # Go down the directory hierarchy.
 for D in \$DIRS; do