The opening and closing mechanic varied between all the various
resources. This changes them all to use a HEREDOC with a tilde
to remove leading whitespace. This removes the need for the
special method to trim the `#print_example` method from shell.
Signed-off-by: Franklin Webber <franklin.webber@gmail.com>
* Update singular implementation to avoid use of inner object
* Update docs and tests for 3 new filters and properties on aws_vpcs
* Implement new filters and properties; one failing test due to odd FilterTable behavior
* changes to avoid bug 2929
Signed-off-by: Clinton Wolfe <clintoncwolfe@gmail.com>