0.90 conversion#1

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Boris-Barboris wants to merge 5 commits into

FractalUK:masterfrom

Boris-Barboris:master

Commits on Dec 24, 2014

Commits on Dec 25, 2014

stockTechRequired now is correctly created
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Commits on Dec 27, 2014

fix
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Commits on Dec 30, 2014

reconstruct tree on RnD window open
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