[Swan-commit] Changes to ref refs/heads/master

[D. Hugh Redelmeier]

New commits:
commit 49bbe98cfdfcd08747b55d9457b1b6c350a01a81
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sat Mar 15 02:42:43 2014 -0400

    swan-build, swan-install and swan-update:
    - carefully log in /source/compile-log.txt
    - support /tmp or /source for build product (default /source)
    - for /tmp, make the product persistent by tar-ing to /source
    - (slightly risky) use "set -e" so script errors halt the script
    - (slightly crude) use "set -x" to indicate progress