Merge remote-tracking branch 'upstream/master' into datadog_support_r…

…equire_full_window_and_locked

* upstream/master: (665 commits)
  merged createVirtualMachine and deployVirtualMachine to setupVirtualMachine (hashicorp#6659)
  Update CHANGELOG.md
  provider/fastly: add support for custom VCL configuration (supersedes hashicorp#6587) (hashicorp#6662)
  Remove CHANGELOG entry for backported 0.6.17 feature
  Update CHANGELOG.md
  provider/vsphere: wait for network enhanced (hashicorp#6377)
  Update CHANGELOG.md
  Update CHANGELOG.md
  Update CHANGELOG.md
  docs: clarify an internal-plugins header
  Fixes an vet error.
  Update CHANGELOG.md
  provider/aws: Support for Redshift Cluster encryption using a KMS key (hashicorp#6712)
  provider/aws: Randomize key names in KMS alias test
  Include the list of allowed values for AWS auto scaling group termination policies (hashicorp#6710)
  website: docs for azurerm custom images
  Update CHANGELOG.md
  Godeps: rm dup github.com/ryanuber/columnize
  Add note about paid training
  provider/aws: Fix crash in ElastiCache param group
  ...

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,43 @@
+Hi there,
+
+Thank you for opening an issue. Please note that we try to keep the Terraform issue tracker reserved for bug reports and feature requests. For general usage questions, please see: https://www.terraform.io/community.html.
+
+### Terraform Version
+Run `terraform -v` to show the version. If you are not running the latest version of Terraform, please upgrade because your issue may have already been fixed.
+
+### Affected Resource(s)
+Please list the resources as a list, for example:
+- aws_instance
+- dnsimple_record
+
+If this issue appears to affect multiple resources, it may be an issue with Terraform's core, so please mention this.
+
+### Terraform Configuration Files
+```hcl
+# Copy-paste your Terraform configurations here - for large Terraform configs,
+# please use a service like Dropbox and share a link to the ZIP file. For
+# security, you can also encrypt the files using our GPG public key.
+```
+
+### Debug Output
+Please provider a link to a GitHub Gist containing the complete debug output: https://www.terraform.io/docs/internals/debugging.html. Please do NOT paste the debug output in the issue; just paste a link to the Gist.
+
+### Panic Output
+If Terraform produced a panic, please provide a link to a GitHub Gist containing the output of the `crash.log`.
+
+### Expected Behavior
+What should have happened?
+
+### Actual Behavior
+What actually happened?
+
+### Steps to Reproduce
+Please list the steps required to reproduce the issue, for example:
+1. `terraform apply`
+
+### Important Factoids
+Are there anything atypical about your accounts that we should know? For example: Running in EC2 Classic? Custom version of OpenStack? Tight ACLs?
+
+### References
+Are there any other GitHub issues (open or closed) or Pull Requests that should be linked here? For example:
+- GH-1234