Fixing basic acceptance test.
Adding warning to website about mixed mode.
Adding exists to aws_route.
Adding acceptance test for changing destination_cidr_block.
The Terraform configuration syntax defines what arrays are.
Use the word array consistently throughout the documentation
instead of list.
The corresponding JSON datatype is called array as well, and
since the Terraform configuration syntax is interoperable with
JSON it makes sense to use the term array to describe them.
James Nugent