Set --enable-all-packages=on to allow --local-do-all (TriBITS #109)

I was trying to run --local-do-all while working on a branch not tracking
branch while working on TriBITS #109 and it did not let me.  Therefore, I am
changing this to --enable-all-packages=on to allow this.

Author: Roscoe A. Bartlett

project-checkin-test-config.py

@@ -3,7 +3,7 @@
     # The default command line arguments
     'defaults': {
         '--send-email-to-on-push': '[email protected]',
-        '--enable-packages': 'TriBITS',
+        '--enable-all-packages': 'on',
         '--no-rebase': ''
         },
     # NOTE: The last two options --no-rebase --no-append-test-results ensure