Merge branch '515-use-master-branch-for-flux-deployments' into 'master'

Resolve "Use master branch for flux deployments"

Closes #515

See merge request openappstack/openappstack!225

ansible/group_vars/all/oas.yml

@@ -85,4 +85,4 @@ local_flux: false
 # mechanism (flux). Not used if local_flux is set to true.
 flux_source:
   repo: "https://open.greenhost.net/openappstack/openappstack"
-  branch: "0.3"
+  branch: "master"