Adds support to && operand in DEPENDS. Also, fixes generation of ||
dependencies by scripts/package-metadata.pl.
The precedence order from higher to lower is && then ||. Use of
parentheses to change the order is not supported. As before, they are
silently ignored. Use them for readability only.
Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com> [DMARC removal]