fix graph react

do not react on promotion
explicit argument reactOnPromo for sets
member stronger filtering
Merge branch 'feature-greact' into develop
refactor LastConflict
ref lc
Merge branch 'feature-LC' into develop
Few fixes for #107
Merge branch 'feature-rop' into develop
Merge branch 'develop' into feature-rop
Fix Photo #93
Fix Knapsack #93
Fix reactOnPromotion #107 (1/2)
Merge branch 'feature-rop' into develop
Merge branch 'develop' into feature-rop
Fix reactOnPromotion #107 (2/3)
Merge branch 'feature-rop' into develop
Merge branch 'develop' into feature-rop
Fix reactOnPromotion #107 (3/3)
remove reactOnPromotion