[FAB-9198][FAB-10727] BYFN update
[FAB-9198][FAB-10727] BYFN update

Channel name must be lowercase
Added option to set peer env
variables to inside the container.

Change-Id: I7efe3ee42cb995c0e51ca2e082057b32bff91670
Signed-off-by: pama-ibm <9b2a4f3779f0d8bc1012e1b1b041a4315ea7477e@ibm.com>

stemlending/fabric,muralisrini/fabric,manish-sethi/fabric,jimthematrix/fabric,manish-sethi/fabric-sidedb,xixuejia/fabric,manish-sethi/fabric-sidedb,muralisrini/fabric,hyperledger/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,binhn/fabric,xixuejia/fabric,muralisrini/fabric,manish-sethi/fabric-sidedb,binhn/fabric,manish-sethi/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,xixuejia/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,jimthematrix/fabric,hyperledger/fabric,binhn/fabric