Bug 574186 - Better error message for negative dependency

When an unsatisfied dependency has max='0', i.e. expresses that A
depends on B *not* being there, make that clear in the error message by
saying "A conflicts with B" instead of "A depends on B".

Change-Id: Id06e2d8130be2016bcd4432c541a6d178bb5c2b8
Signed-off-by: Christian Walther <walther@indel.ch>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.p2/+/181923
Tested-by: Equinox Bot <equinox-bot@eclipse.org>
Reviewed-by: Andrey Loskutov <loskutov@gmx.de>
3 files changed