Update version to 0.9.3
Update version to 0.9.3

alexpilotti/cloudbase-init,ader1990/cloudbase-init,telerik/cloudbase-init,pellaeon/bsd-cloudinit,pellaeon/bsd-cloudinit,bincentvaret/bsd-cloudinit,stackforge/cloudbase-init,openstack/cloudbase-init,stefan-caraiman/cloudbase-init,CropCircleSys/bsd-cloudinit,cmin764/cloudbase-init,chialiang-8/cloudbase-init,whiteear/cloudbase-init