Fix Travis badge in README and simplify package README handling

.travis/publish.sh

@@ -16,6 +16,16 @@
 # Exit on first error
 set -e
 
+# distribute root README file before publishing
+cp ./README.md ./packages/caliper-burrow/README.md
+cp ./README.md ./packages/caliper-cli/README.md
+cp ./README.md ./packages/caliper-core/README.md
+cp ./README.md ./packages/caliper-ethereum/README.md
+cp ./README.md ./packages/caliper-fabric/README.md
+cp ./README.md ./packages/caliper-fisco-bcos/README.md
+cp ./README.md ./packages/caliper-iroha/README.md
+cp ./README.md ./packages/caliper-sawtooth/README.md
+
 cd ./packages/caliper-publish/
 npm i
 ./publish.js npm

README.md

@@ -1,6 +1,6 @@
 # ![Hyperledger Caliper](https://wiki.hyperledger.org/download/attachments/2392434/Hyperledger_Caliper_Logo_Color.svg?version=1&modificationDate=1548883186000&api=v2)
 
-[![Build Status](https://travis-ci.org/hyperledger/caliper.svg?branch=master)](https://travis-ci.org/hyperledger/caliper)
+[![Build Status](https://travis-ci.com/hyperledger/caliper.svg?branch=master)](https://travis-ci.com/hyperledger/caliper)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/2381/badge)](https://bestpractices.coreinfrastructure.org/projects/2381)
 [![license](https://img.shields.io/badge/license-Apache%202.0-blue)](https://github.com/aklenik/caliper/blob/master/LICENSE)
 [![node (scoped)](https://img.shields.io/node/v/@hyperledger/caliper-cli)](https://www.npmjs.com/package/@hyperledger/caliper-cli)