Kill off the old 'tests' stuff. Write a ton of new tests for the

'testsuite' dir.  Fix a bunch of broken tests.  Fix the testsuite
'runtest' script so it actually reports all failures and provides
meaningful feedback.
 -Erik

testsuite/uuencode/uuencode-sets-standard-input-mode-correctly

@@ -1,6 +1,4 @@
 saved_umask=$(umask)
 umask 0
 busybox uuencode foo </dev/null | head -n 1 | grep -q 666
-status=$?
 umask $saved_umask
-return $status