[INDY-1116] fix IstanceChanges queue cleanup while view change completed#518

Merged

ashcherbakov merged 2 commits intohyperledger:masterfrom lampkin-diet:public/indy-1116

Feb 7, 2018

Commits on Feb 5, 2018

[INDY-1116] fix IstanceChanges queue cleanup while view change completed
Andrew Nikitin
committed

Commits on Feb 6, 2018

[INDY-1116] Freezing list of keys for iterating
Andrew Nikitin
committed