Update package.json
Update package.json to use fabric-client v 1.2.2 explicitly. This applies to all chapters and resolves the following error:
Error: Cannot find module 'fabric-client/lib/EventHub'
at Function.Module._resolveFilename (module.js:548:15)
at Function.Module._load (module.js:475:25)
at Module.require (module.js:597:17)
at require (internal/module.js:11:18)
at Object.<anonymous> (/Users/rddill/Documents/github/z2b-test/Chapter05/controller/restapi/features/composer/queryBlockChain.js:25:15)
at Module._compile (module.js:653:30)
at Object.Module._extensions..js (module.js:664:10)
at Module.load (module.js:566:32)
at tryModuleLoad (module.js:506:12)
at Function.Module._load (module.js:498:3)