[unrelated] Eliminate duplicate message
[unrelated] Show resource for OCLinEcore constraints
[437875] Use icons from common plugin
[361727] Add BaseOutlineWithEditorLinker/BaseOutlineNodeElementOpener
[361727] Use AS rather than CS as basis for outline
[441620] Add merged package disambiguator
[361727] Use CS punctuation as outline for implicit AS
[361727] Use AS elements as basis for step positioning
[361727] Use CS punctuation as outline for implicit AS