Updated to version v4.0.0

[aijunpeng]

*Issue #, if available: #213

Description of changes:

V4.0.0 changes:

Added

• Added support for 10 new AWS Managed Rules rule groups (AMR)
• Added support for country and URI configurations in HTTP Flood Athena log parser
• Added support for user-defined S3 prefix for application access log bucket
• Added support for CloudWatch log retention period configuration
• Added support for multiple solution deployments in the same account and region
• Added support for exporting CloudFormation stack output values
• Replaced the hard coded amazonaws.com with {AWS::URLSuffix} in BadBotHoneypot API endpoint

Fixed

• Avoid account-wide API Gateway logging setting change by deleting the solution stack GitHub issue 213
• Avoid creating a new logging bucket for an existing app access log bucket that already has logging enabled

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