Modularization es6 (aws-amplify#4007)

* Build ES6 Modules along with CJS Modules
* Upgrade Typescript to 3.5
* Upgrade Webpack to 4
* Upgrade Jest to 24
[Delivers #168385455]

* Removing unused variable from build scripts

* Fix signout component being undefined

* Fix PR comments

* Apply Prettier formatting

* Merge branch 'master' of github.com:aws-amplify/amplify-js into modularization-merge

* Fix tests that were failing after merge from master

* Revert docs and other directories impacted by prettier

* Update repository and homepage urls for all packages

* Add diagnostic information to build script in event of failures

* Revert formatter command as library now used Prettier with pre-commit hook

* Adding unit test for pubsub desconnection issue

* Fixing websocket disconnect issue on MqttProvider

* Update stale.yml

* fix: lerna linking for unstable and beta

* fix(amazon-cognito-identity-js): linting config (aws-amplify#4097)

* partially resolves linting issues in cognito sdk

* removes no-cap lint change

* using prettier to extend eslint in cognito sdk

* removing newline

* using airbnb lint config as well as prettier

* Fix failing pubsub tests because of jest upgrade

* Fix issue SignOut component being undefined

* Apply suggestions from code review

Co-Authored-By: Manuel Iglesias <[email protected]>

* Made mock window worker in angular tests more explicit

* Fix failing pubsub tests because of jest upgrade

* fix(@aws-amplify/core): removed unused variables (aws-amplify#3926)

* Added link to docs for local development to CONTRIBUTING (aws-amplify#3990)

* disabled autocomplete when resetting password for new password field

* added local development resources to contributing

* Fixed typo (aws-amplify#4156)

* disabled autocomplete when resetting password for new password field

* added local development resources to contributing

* fixed typo in CONTRIBUTING doc, aws-amplify#3990

* fix(@aws-amplify/api) Adding x-amz-user-agent for AppSync calls

* Adding x-amz-user-agent for appsync calls

* Fixing unit test

* chore(release): Publish [ci skip]

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* Publish

 - [email protected]
 - @aws-amplify/[email protected]
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 - @aws-amplify/[email protected]
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 - @aws-amplify/[email protected]
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* chore(release): Publish [ci skip]

 - [email protected]
 - @aws-amplify/[email protected]
 - @aws-amplify/[email protected]
 - @aws-amplify/[email protected]
 - @aws-amplify/[email protected]
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* fix(aws-amplify#4001) (aws-amplify#4131)

* fix picker parent style (aws-amplify#4135)

* Reduce threads to 1 while running jest tests as Circle CI constantly running out of memory

* Remove unnecessary async/awaits in pubsub tests

* Add Credentials mock explicitly on two tests that are failing only in circle ci

* Move spyon in beforeEach

Author: Amplifiyer

package.json

@@ -24,7 +24,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/aws/aws-amplify.git"
+    "url": "https://github.com/aws-amplify/amplify-js.git"
   },
   "license": "SEE LICENSE IN LICENSE.txt",
   "licenses": [
@@ -50,7 +50,7 @@
     "doc": "jsdoc src -d docs",
     "lint": "eslint src",
     "lint2": "eslint enhance-rn.js",
-    "test": "jest --passWithNoTests",
+    "test": "jest -w 1 --passWithNoTests",
     "format": "echo \"Not implemented\""
   },
   "main": "lib/index.js",