* provider/github: add repository_webhook resource
`repository_webhook` can be used to manage webhooks for repositories.
It is currently limited to organization repositories only.
The changeset includes both documentation and tests.
The tests are green:
```
make testacc TEST=./builtin/providers/github
TESTARGS='-run=TestAccGithubRepositoryWebhook_basic'
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2017/03/21 16:20:07 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/github -v
-run=TestAccGithubRepositoryWebhook_basic -timeout 120m
=== RUN TestAccGithubRepositoryWebhook_basic
--- PASS: TestAccGithubRepositoryWebhook_basic (5.10s)
PASS
ok github.com/hashicorp/terraform/builtin/providers/github 5.113s
```
* provider/github: add github_organization_webhook
the `github_organization_webhook` resource is similar to the
`github_repository_webhook` resource, but it manages webhooks for an
organization.
the tests are green:
```
make testacc TEST=./builtin/providers/github
TESTARGS='-run=TestAccGithubOrganizationWebhook'
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2017/03/21 17:23:33 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/github -v
-run=TestAccGithubOrganizationWebhook -timeout 120m
=== RUN TestAccGithubOrganizationWebhook_basic
--- PASS: TestAccGithubOrganizationWebhook_basic (2.09s)
PASS
ok github.com/hashicorp/terraform/builtin/providers/github 2.109s
```