build.sh: Bump DATE to
20131212 to match the new weekly build
.update-copyright.conf: add copyright configuration.
Use my external update-copyright package to maintain copyright blurbs.
http://pypi.python.org/pypi/update-copyright/
build.sh: Remove `function` from `die()` definition
`function` is a Bash-ism. POSIX suggests [1]:
fname() compound-command[io-redirect ...]
[1]: http://pubs.opengroup.org/onlinepubs/
9699919799/utilities/V3_chap02.html#tag_18_09_05