UI tests: Update editor label after modification in implementation

Update the label of the editor used in the tests from "X over Y still to
be merged" to "X of Y are not merged".

Change-Id: Ie4e151c9566370491650bce72eaf9edfbe73d9ec
UI tests: Update differences order

The order of the differences seems to have changed. Update related test.

Change-Id: Ibd0e44849897f029d8a55fff77c79b647b4097d4
Merge "UI tests: Update differences order"
New Logical Model View

Add a new view that allows to see, for a given model (or set of models),
the resulting logical model computed by EMF Compare.

Change-Id: I7c318145cbef2c497ce403c6ddaf9223d50941aa
Signed-off-by: Axel Richard <axel.richard@obeo.fr>