Convert all the applets from #include to USE().  Had to fix some nonstandard
naming along the way to get USE() macros for everything.
diff --git a/miscutils/Config.in b/miscutils/Config.in
index aed7e5a..8f2ef15 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -255,7 +255,7 @@
 	  to advance or rewind a tape past a specified number of archive
 	  files on the tape.
 
-config BB_APPLET_RUNLEVEL
+config CONFIG_RUNLEVEL
         bool "runlevel"
 	default n
 	help