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And change the code-model inspector dialog to use them in the
ProjectParts tab to sync the master/details view, and in the
CppPreProcessorDialog to save/reload the selected part.

Change-Id: I7cc8ac1c21d31122f8650985d0b85177ebabdfb8
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>