new config display applet, from bug 46. i've changed the name

of the applet from "config" to "bbconfig", and renamed the
source filenames and symbols to match appropriately.

include/applets.h

@@ -76,6 +76,9 @@
 #ifdef CONFIG_BASENAME
 	APPLET(basename, basename_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
 #endif
+#ifdef CONFIG_BBCONFIG
+	APPLET(bbconfig, bbconfig_main, _BB_DIR_BIN, _BB_SUID_NEVER)
+#endif
 #ifdef CONFIG_BUNZIP2
 	APPLET(bunzip2, bunzip2_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
 #endif

include/usage.h

@@ -231,6 +231,11 @@
 	"\t-2\tSuppress lines unique to FILE2\n" \
 	"\t-3\tSuppress lines common to both files"
 
+#define bbconfig_trivial_usage \
+	""
+#define bbconfig_full_usage \
+	"Print the config file which built busybox\n"
+       
 #define cp_trivial_usage \
 	"[OPTION]... SOURCE DEST"
 #define cp_full_usage \