Bump memory to increase tmpfs size for salt-provision

Vagrantfile

@@ -104,7 +104,7 @@ end
 # In Fedora VM, tmpfs device is mapped to /tmp.  tmpfs is given 50% of RAM allocation.
 # When doing Salt provisioning, we copy approximately 200MB of content in /tmp before anything else happens.
 # This causes problems if anything else was in /tmp or the other directories that are bound to tmpfs device (i.e /run, etc.)
-$vm_master_mem = (ENV['KUBERNETES_MASTER_MEMORY'] || ENV['KUBERNETES_MEMORY'] || 1024).to_i
+$vm_master_mem = (ENV['KUBERNETES_MASTER_MEMORY'] || ENV['KUBERNETES_MEMORY'] || 1280).to_i
 $vm_minion_mem = (ENV['KUBERNETES_MINION_MEMORY'] || ENV['KUBERNETES_MEMORY'] || 1024).to_i
 
 Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|