Change the default configuration for rule E3012 to not be strict

[kddejong]

Issue #, if available:

Description of changes:

• Change the default configuration of rule E3012 to not be strict

There are a few reasons for this change:

1. All values are passed in to the code that does the provisioning using strings
   https://github.com/aws-cloudformation/cloudformation-cli-python-plugin/blob/master/src/cloudformation_cli_python_lib/recast.py
   https://github.com/aws-cloudformation/cloudformation-cli-go-plugin/blob/master/cfn/encoding/stringify.go
   and more examples.
2. Certain properties can have multiple types defined with the new resource type schemas

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[PatMyron]

linking #547