Add Mock for edgeGateway query
Make name of network less generic

To match the other names used in this Mock.
Add Mock for orgVdc in get_execute_query

This has bogus data and doesn't return all the fields. Again, it would be easy to extend if required.
Typo in fog.io link

fixed a type in the link to fog.io
Merge pull request #3051 from alphagov/add-more-mocks

[vcloud_director] Add more mocks
Merge pull request #3055 from docwhat/patch-1

Typo in fog.io link