Update CirrOS image from 0.3.2 to 0.3.3. The reason for updating now is that 0.3.3 allows setting the MTU via DHCP. Without that feature, users would have to lower the MTU manually from the instance VM's VNC console. Change-Id: Iee7530cb41e2a85af4a939fa004ac9e3546b6339
All scripts in this directory run within the VMs.
They install and configure OpenStack components and any other required software (such as databases).
Before these generic scripts run, scripts from the osbash (or vagrant, depending on the installation method) subdirectory set up the VM and configure basic networking.