[FABCN-319] Update dependnency versions (#176)

- Update grpc-js and winston to pre-lock levels
- General update of dependcies
- Note add about shirnkwrap.
- Corrected test cases

Signed-off-by: Matthew B White <whitemat@uk.ibm.com>

CONTRIBUTING.md

@@ -35,6 +35,7 @@ They also need to have the `nodeenv` image present - this is build as part of th
 
 * Clone the repo, and ensure you are using node v12, and have rush installed
 * `rush update` is needed to ensure everything is correctly linked and updated.
+* `rush edge-docker` will pull down and tag the very latest docker images for the peers, orderes etc to test against
 
 At this point the repo is fully ready for use and running tests, etc. A full sequence of build-test that is equivalent to the CI pipeline is
 

README.md

@@ -34,6 +34,12 @@ As an application developer, to learn about how to implement **"Smart Contracts"
 
 For details on what Nodejs runtime and versions of Hyperledger Fabric can be used please see the [compatibility document](COMPATIBILITY.md).
 
+## npm Shrinkwrap
+
+In line with the advice from [npm on shrinkwrap](https://docs.npmjs.com/files/shrinkwrap.json#description) the modules published do not contain a `npm-shrinkwrap.json` file. 
+
+It is **STRONGLY** recommended therefore that after testing, and before putting your contract into production a `npm-shrinkwrap.json` file is created. When the chaincode is install it will be via a `npm install --production` command. 
+
 ---
 
 ## License <a name="license"></a>

apis/fabric-contract-api/package.json

@@ -48,14 +48,14 @@
   "dependencies": {
     "fabric-shim-api": "2.1.5-unstable",
     "class-transformer": "^0.2.2",
-    "fast-safe-stringify": "~2.0.7",
+    "fast-safe-stringify": "^2.0.7",
     "get-params": "^0.1.2",
-    "reflect-metadata": "^0.1.12",
-    "winston": "3.2.1"
+    "reflect-metadata": "^0.1.13",
+    "winston": "^3.3.2"
   },
   "devDependencies": {
-    "ajv": "^6.5.5",
-    "ajv-cli": "^3.0.0",
+    "ajv": "^6.12.2",
+    "ajv-cli": "^3.2.1",
     "chai": "^4.1.1",
     "chai-as-promised": "^7.1.1",
     "chai-things": "^0.2.0",