Perl <> means all files on comamndline where we actually just wanted
STDIN.

Fixed an instance where we had an unquoted here-doc.

Fixed a bareword file handle name.

The undef signified a failure.

This reverts commit faa97ea7.

Copied and pasted the copyright in the source files.

Removed all dictionary files no longer required. Users have the ability to
copy them from wherever themselves.

In terms of FreeRadius LICENSE section 3.2 all files without explicit
copyrights are copyright FreeRadius. Added FreeRadius copyright statement
to files which potentially were derived from the FreeRadius project.

copyright date update.

See merge request !404

copyright date update.

See merge request !403

copyright date update.

See merge request !402