* AWS: add ec2_transit_gateway_info module
* move info module test to main module and ensure unique description for parallel tests
* add type designators to module options in documentation
* assign results and return instead of exit. Add elements directive available with ansible 2.8
* assign results and return instead of exit
* get() method superfluous for module.params
* correct return type in documentation for ASN and format the sample for Tag correctly
* added random uid to test description - removing unstable alias
* change random uuid to resource_prefix to improve source of object identification in testing