Add GPG and SSH key to GitHub user data source and members to GitHub team data source

[mootpt]

Add GPG and SSH key to GitHub user data source and members to GitHub team data source:

data "github_user" "mootpt" {
  username = "mootpt"
}

data "github_team" "foo" {
  slug = "foo"
}

output "mootpt-gpg" {
  value = "${data.github_user.mootpt.gpg_keys}"
}

output "mootpt-ssh" {
  value = "${data.github_user.mootpt.ssh_keys}"
}

output "foo-members" {
  value = "${data.github_team.foo.members}"
}

Added in https://github.com/terraform-providers/terraform-provider-github/pull/2

[stack72]

Closed via #2