Do better on keyboard selection, plus save it in installed image.
Also, pv(1) output for install doesn't scroll anymore.
Clean up build_iso for readability, and workaround digest(1) problem.
Invoke kbd -s first-thing in kayak-menu
Kayak for ISO checkpoint 1

@@ -41,10 +41,15 @@
 0 /usr/bin/more
 0 /usr/lib/libgss.so.1
 0 /lib/libcrypto.so.1.0.0
 0 /usr/bin/ssh
 0 /usr/bin/scp
+0 /usr/bin/clear
+0 /usr/bin/tput
+0 /usr/bin/getent
+0 /usr/bin/kbd
+0 /usr/bin/loadkeys
 0 /usr/bin/mkfifo
 0 /usr/bin/dd
 0 /usr/bin/i86/ps
 0 /usr/bin/ps
 0 /usr/bin/i86/pfiles