Collect dependencies recursively until no additional dependency can be
computed.
Then perform a validation operation to detect unsatisfied constraints
and try to resolve bundles from the target platform state that are
satisfying these
constraints.

Change-Id: Ib4a1bf310240bc2df5db8993639aa478ea1d8cb9
Signed-off-by: Karsten Thoms <karsten.thoms@itemis.de>