Gossip/discovery: add String() to NetworkMember
Gossip/discovery: add String() to NetworkMember

This commit simply adds a String() method to NetworkMember,
because otherwise- the struct is printed without its field names
and it's hard to figure out which refers to what.

Change-Id: I5ea6552b79afa21b3222ebe1b7b22349851b653a
Signed-off-by: Yacov Manevich <632344b5da9bd743456189af4db4b56472defb8c@il.ibm.com>

lukehuangch/fabric,stemlending/fabric,chrisguoado/fabric,hyperledger/fabric,tkuhrt/fabric,king3000/fabric,lukehuangch/fabric,mffrench/fabric,Ryan--Yang/fabric,magg/fabric,jimthematrix/fabric,phariel/fabric,bmos299/fabric,lukehuangch/fabric,rameshthoomu/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric,Ryan--Yang/fabric,thakkarparth007/fabric,manish-sethi/fabric-sidedb,blockc/fabric,ckeyer/fabric,cophey/fabric,magg/fabric,phariel/fabric,magg/fabric,king3000/fabric,chrisguoado/fabric,thakkarparth007/fabric,cophey/fabric,bmos299/fabric,magg/fabric,king3000/fabric,mffrench/fabric,king3000/fabric,binhn/fabric,manish-sethi/fabric-sidedb,mqshen/fabric,manish-sethi/fabric-sidedb,tkuhrt/fabric,ckeyer/fabric,bmos299/fabric,kchristidis/fabric,jimthematrix/fabric,tkuhrt/fabric,kchristidis/fabric,kchristidis/fabric,kchristidis/fabric,phariel/fabric,bmos299/fabric,magg/fabric,Ryan--Yang/fabric,mqshen/fabric,phariel/fabric,ibmmark/fabric,xixuejia/fabric,mffrench/fabric,rameshthoomu/fabric,lukehuangch/fabric,rameshthoomu/fabric,muralisrini/fabric,ckeyer/fabric,bmos299/fabric,thakkarparth007/fabric,mffrench/fabric,tkuhrt/fabric,king3000/fabric,ibmmark/fabric,cophey/fabric,tkuhrt/fabric,thakkarparth007/fabric,cophey/fabric,tkuhrt/fabric,chrisguoado/fabric,blockc/fabric,rameshthoomu/fabric,ibmmark/fabric,Ryan--Yang/fabric,mqshen/fabric,bmos299/fabric,xixuejia/fabric,king3000/fabric,mffrench/fabric,mqshen/fabric,stemlending/fabric,rameshthoomu/fabric,rameshthoomu/fabric,ckeyer/fabric,cophey/fabric,lukehuangch/fabric,xixuejia/fabric,thakkarparth007/fabric,Ryan--Yang/fabric,manish-sethi/fabric-sidedb,ibmmark/fabric,chrisguoado/fabric,Ryan--Yang/fabric,mqshen/fabric,bmos299/fabric,rameshthoomu/fabric,blockc/fabric,tkuhrt/fabric,manish-sethi/fabric-sidedb,ckeyer/fabric,magg/fabric,ckeyer/fabric,lukehuangch/fabric,stemlending/fabric,kchristidis/fabric,blockc/fabric,thakkarparth007/fabric,phariel/fabric,chrisguoado/fabric,ibmmark/fabric,stemlending/fabric,mffrench/fabric,cophey/fabric,manish-sethi/fabric-sidedb,binhn/fabric,thakkarparth007/fabric,hyperledger/fabric,mqshen/fabric,blockc/fabric,magg/fabric,chrisguoado/fabric,phariel/fabric,muralisrini/fabric,Ryan--Yang/fabric,phariel/fabric,mqshen/fabric,cophey/fabric,king3000/fabric,kchristidis/fabric,lukehuangch/fabric,kchristidis/fabric,manish-sethi/fabric,blockc/fabric,ibmmark/fabric,mffrench/fabric,ibmmark/fabric,muralisrini/fabric,blockc/fabric,ckeyer/fabric,binhn/fabric,chrisguoado/fabric