Update issue_template.md

.github/issue_template.md

@@ -5,4 +5,21 @@
 * Are you using stock boxes (downloaded) or were they built from scratch using Packer?
 * Is the issue reproducible or intermittent?
 
+Please verify that you are building from an updated Master branch before filing an issue.
+
 ### Description of the issue:
+<!--
+For example:
+
+While building the logger host, I'm running into the following error message that causes the build to stop:
+```
+Error message goes here
+```
+-->
+
+### Link to Gist Containing Build Logs:
+<!--
+If you're having issues provisioning a host or building a Packer image, please paste the build logs into a [Gist](https://gist.github.com/) and add a link to it here.
+
+Find your Vagrant logs in `/DetectionLab/Vagrant/vagrant_up_$host.log`
+-->