doc udpate based on feedbacks from community
doc udpate based on feedbacks from community

-updated description on "owner registration"
-updated description on "network owner"
-replaced "OBC" to "hyperledger fabric"
-added a paragraph to talk about "confidential transaction
ariccy/fabric,ahuachen/fabric,gongsu832/fabric,murali-katipalli-dtcc/fabric,ahuachen/fabric,murali-katipalli-dtcc/fabric,isghe/obc-peer,andresgaragiola/fabric,andresgaragiola/fabric,adecaro/fabric,itp4IBM/fabric,gromeroar/fabric,itp4IBM/fabric,adecaro/fabric,gromeroar/fabric,srderson/fabric,jjjjibm/fabric,bren3582/fabric,ahuachen/fabric,popldo/fabric,isghe/obc-peer,JonathanLevi/fabric,angrbrd/fabric,tuand27613/fabric,andresgaragiola/fabric,murali-katipalli-dtcc/fabric,tuand27613/fabric,gromeroar/fabric,jjjjibm/fabric,openblockchain/obc-peer,gennadylaventman/fabric,JonathanLevi/fabric,binhn/obc-peer,popldo/fabric,ahuachen/fabric,isghe/obc-peer,gennadylaventman/fabric,tuand27613/fabric,bren3582/fabric,ahuachen/fabric,murali-katipalli-dtcc/fabric,hyperledger-archives/fabric,JonathanLevi/fabric,gromeroar/fabric,jjjjibm/fabric,srderson/fabric,srderson/fabric,andresgaragiola/fabric,jjjjibm/fabric,gromeroar/fabric,hyperledger-archives/fabric,angrbrd/fabric,bren3582/fabric,andresgaragiola/fabric,jjjjibm/fabric,adecaro/fabric,bburgdave/fabric,gongsu832/fabric,hyperledger-archives/fabric,murali-katipalli-dtcc/fabric,popldo/fabric,gennadylaventman/fabric,openblockchain/obc-peer,openblockchain/obc-peer,angrbrd/fabric,bburgdave/fabric,ariccy/fabric,isghe/obc-peer,tuand27613/obc-peer,hyperledger-archives/fabric,bren3582/fabric,ahuachen/fabric,srderson/fabric,bburgdave/fabric,JonathanLevi/fabric,popldo/fabric,popldo/fabric,gennadylaventman/fabric,adecaro/fabric,angrbrd/fabric,JonathanLevi/fabric,srderson/fabric,angrbrd/fabric,bren3582/fabric,ariccy/fabric,angrbrd/fabric,bren3582/fabric,itp4IBM/fabric,binhn/obc-peer,itp4IBM/fabric,hyperledger-archives/fabric,tuand27613/fabric,bren3582/fabric,tuand27613/obc-peer,adecaro/fabric,itp4IBM/fabric,gennadylaventman/fabric,itp4IBM/fabric,JonathanLevi/fabric,ahuachen/fabric,gongsu832/fabric,gennadylaventman/fabric,ariccy/fabric,binhn/obc-peer,srderson/fabric,gennadylaventman/fabric,jjjjibm/fabric,murali-katipalli-dtcc/fabric,itp4IBM/fabric,isghe/obc-peer,tuand27613/fabric,popldo/fabric,hyperledger-archives/fabric,gromeroar/fabric,ariccy/fabric,hyperledger-archives/fabric,bburgdave/fabric,ariccy/fabric,tuand27613/fabric,adecaro/fabric,adecaro/fabric,JonathanLevi/fabric,gongsu832/fabric,angrbrd/fabric,jjjjibm/fabric,bburgdave/fabric,andresgaragiola/fabric,andresgaragiola/fabric,srderson/fabric,murali-katipalli-dtcc/fabric,tuand27613/obc-peer,ariccy/fabric,popldo/fabric,gromeroar/fabric,tuand27613/fabric