* Updated source file copyright headers to remove "Copyright by the Board of Trustees
of the University of Illinois", which is kept in the top-level COPYING file.
* Modify temporary rpath for testing in java example scripts.
* Update URL in source file Copyright headers for web copy of COPYING
file - files not in src or test.
(#!) line to `/usr/bin/env perl` to locate perl on the PATH.
Everything after the first pathname in the shebang line is treated as
a single argument to the command interpreter (/usr/bin/env "perl -w"),
and there is not ordinarily any such program as "perl -w". So if the
old shebang line used an option such as `-w`, add a `use warnings;`
statement to the script---note that the semantics change slightly.
`bin/destdep` uses a trick to pass `-p` to `/usr/bin/env perl`. It
couldn't hurt to use the same trick to pass `-w`.
With these changes, `sh autogen.sh` runs on NetBSD. It ought to still
work on every other system HDF5 supports, too.
