[packer] Just use GH tags as Atlas releases.

Author: bascht

Diff for: Vagrantfile

@@ -1,7 +1,7 @@
 # -*- mode: ruby -*-
 Vagrant.configure(2) do |config|
   config.vm.box = "bascht/vm"
-  config.vm.box_version = ">= 0.1.53"
+  config.vm.box_version = ">= 0.3.1"
 
   config.ssh.username = "bascht"
   config.ssh.password = "bascht"

Diff for: packer/template.json

@@ -4,7 +4,7 @@
         "atlas_name": "{{env `ATLAS_NAME`}}",
         "username": "bascht",
         "password": "bascht",
-        "build_version": "0.2.{{env `ATLAS_BUILD_NUMBER`}}"
+        "build_version": "{{env `ATLAS_BUILD_GITHUB_TAG`}}"
     },
     "push": {
         "name": "{{user `atlas_username`}}/{{user `atlas_name`}}",