-rebase branch 1.1.0-e3 on tag v1.2.1

-version changed to 1.2.1-e1

Install chaincode package

- install chaincode in the form of a deployment spec package
- version changed to 1.1.0-e3

Use LEDGER_QUERY peers for read config block

- dangerous function getShuffledPeers() (without peer roles argument) removed
- version changed to 1.1.0-e2

Change version to 1.1.0-e1