NPM dependencies update

change NPM dependencies and the big fix for sending bad payloads to integration

Nodejs runtime update

Update collector to Nodejs8.10 and update collector to al-aws-collector-js

Ingest 400s

• log and delete a message when Ingest returns 400
• minor README update

Bump version to v1.0.4

• US75367 - filter out everything except GD Finding cwe detail type

Bump version to v1.0.3

• US75367 - filter out everything except GD Finding cwe detail type

US75367 - filter out everything except GD Finding cwe detail type

• US75367 - filter out everything except GD Finding cwe detail type

Maintenance Release

Various changes to README and tests.

First Version

First version released for GuardDuty GA.