cups-browsed 2.0b3

[tillkamppeter]

Fixes of bugs found while packaging for distros, in the build system and the source code documentation

• COPYING, NOTICE: Simplification for autotools-generated files
  autotools-generated files can be included under the license of the upstream code, and FSF copyright added to upstream copyright list. Simplified COPYING appropriately.
• Makefile.am: Include LICENSE in distribution tarball

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This discussion was created from the release cups-browsed 2.0b3.