Outline: Group judgment rules and auxiliary function together.
Outline: Support the editor to update the position in the outline when
the outline is in linked mode.
refer to single release number for download.itemis p2 repository

Change-Id: I33cc558f671369bb58739fd76ac2a6e0463c2f38
Merge branch 'outline' of github.com:asheiduk/xsemantics into asheiduk-outline
Updated outline test for the working case

This is the case when the auxiliary functions and rules belong to a
corresponding description and it is in the very same system

Change-Id: Ib58f5a84bcc30f28ff3a1fce8202d2e1cbeb22dc
Outline: Converted to Xtend, fixed handling in derived systems.
Merge branch 'outline' of github.com:asheiduk/xsemantics into asheiduk-outline
avoid exceptions and show also elements missing description

Change-Id: Ie63d25e5f451694c1b1eef953d084a7a059ad947
generateXtendStub = true

Otherwise the Xtend outline tree provider would compete with the
generated Java one 

Change-Id: I6416fa26e25a6669686aaaea1398c02b439592fd
updated outline tests

Change-Id: I427b4b9bfcacc5d216e9c3df8dfb476820d51088
removed other dispatch cases

From what I understand and by using code coverage, the other cases never
happen.

Change-Id: Id24fbaae4ca94c7cda4c41d66219eecdcb9ede00
modify the text contents in a unit of work

Change-Id: I28196a579b5155b05d1ffebdba57480b1bb1fe62
skip unreliable outline test

Change-Id: Id2c5db45cdc88bf6db8b621eb4c2bb3152de77a3
Merge branch 'asheiduk-outline'
Incremented version 1.6.1

Change-Id: I36a8cc32a7444a82c1b80a8f3ef1909cfdc9c909
updated api filters

Change-Id: Ie1012fe3cf7c100fb61829b0d52fec270bc4c0d0
Merge remote-tracking branch 'upstream/master' into maintenance-xtext-2.6