Refactor logging to provide common logger from LoggerAdapter (#2478)

* Refactor logging to provide common logger from LoggerAdapter

Move logger logic de WinstonLoggerAdapter

Further improvements in configuration

Use logger instead of getLogger

- Removes PLog module

Reverts name changes

nits

* Adds additional logging levels as requirements

* Adds tests for logging configuration

* removes flaky test

* investigate...

* further investigation

* Adds silent option to disable console output

* Restores logs with VERBOSE in tests

* Expose controller instead of adapter, reduces method requirements for adapter

* Shuffles initializations around

* Fix doc

* Load cloudCode last to make sure the logger is available

* Adds test to make sure we can load an adapter from npm module

* extract defaults

* Adds defaultMongoURI to defaults

* fix defaults values

* Proper error for PG failures

* Disable flaky test

spec/WinstonLoggerAdapter.spec.js

@@ -8,7 +8,7 @@ describe('info logs', () => {
 
   it("Verify INFO logs", (done) => {
       var winstonLoggerAdapter = new WinstonLoggerAdapter();
-      winstonLoggerAdapter.info('testing info logs', () => {
+      winstonLoggerAdapter.log('info', 'testing info logs', () => {
         winstonLoggerAdapter.query({
           from: new Date(Date.now() - 500),
           size: 100,
@@ -29,7 +29,7 @@ describe('info logs', () => {
 describe('error logs', () => {
   it("Verify ERROR logs", (done) => {
     var winstonLoggerAdapter = new WinstonLoggerAdapter();
-    winstonLoggerAdapter.error('testing error logs', () => {
+    winstonLoggerAdapter.log('error', 'testing error logs', () => {
       winstonLoggerAdapter.query({
         from: new Date(Date.now() - 500),
         size: 100,