Give up on slicer and migrate domain model example to planner

[cdietrich]

Give up on slicer and migrate domain model example to planner

eclipse-platform/eclipse.platform.releng.aggregator#842

Cc @LorenzoBettini

[cdietrich]

See also #1687 #1686

[LorenzoBettini]

@cdietrich sorry I forgot to answer.
I had already created the PR in that respect.
Should we use that PR?

[cdietrich]

i assume it needs heavy rebasing.

[LorenzoBettini]

I should have resolved the conflicts

[LorenzoBettini]

I have to check whether it builds fine, and let you know

[LorenzoBettini]

OK it runs fine both from Eclipse and from Maven

[cdietrich]

done