* Initialization for new repos AUTOMATED.

* Adding new users AUTOMATED.
* Update docs for the new, more simplified installation processes.
* Remove dependency on any particular paths, etc.  Copy "bin" into a place along your path and everything should "just work".
* Add support for Mercurial (not tested).
* blackbox_addadmin now adds keys to the keyring for you.
* Unified #! lines to "#!/usr/bin/env bash" so it works better on FreeBSD.
* BUGFIX: (BugId#1) blackbox_update_all_files.sh expects hg, fails for git.
* BUGFIX: (BugId#2) blackbox_postdeploy.sh assumes certain directory layout.
* BUGFIX: Temporary files aren't deleted.
* NEW FILE: bin/blackbox_initialize: Automates enabling BB for a repo (creates directories, files, and updates .gitignore).
* NEW FILE: bin/blackbox_removeadmin: Automates removing an admit.
* NEW FILE: tools/confidence_test.sh: A battery of tests to verify operations.
* NEW FILE: bin/Makefile: Automate package creation.
* NEW FILE: bin/_stack_lib.sh: A library of shell routines from StackExchange.

bin/blackbox_update_all_files

@@ -50,12 +50,9 @@ done
 fail_if_keychain_has_secrets
 
 echo '========== COMMITING TO HG:'
-VCSCMD=$(which_vcs)
-$VCSCMD commit -m'Re-encrypted keys' $(awk <$BB_FILES '{ print $1 ".gpg" }' )
-# NOTE(tlim): Because we use $VCSCMD as a command, we can only use commands
-# that work for both git and hg. That's pretty lazy. We should add
-# a function to _blackbox_common.sh that commits a file.
+vcs_commit 'Re-encrypted keys' $(awk <$BB_FILES '{ print $1 ".gpg" }' )
 
+VCSCMD=$(which_vcs)
 echo '========== DONE.'
 echo 'Likely next step:'
 echo "    ${VCSCMD} push"