bug390470 Use ranking to select services

In 3.7.1, org.eclipse.equinox.p2.core does not select services based on
ranking.

This is a serious issue and impacts installing your own services.

This patch uses existing service.ranking property to rank services.

Check bug390470 for more details on the problems and solution.

Change-Id: I36382a260f12cb1df82be21959eb5aac97fcbd0f
Signed-off-by: mhussein <mohamed_hussein@mentor.com>
1 file changed