Bump version to v1.4.3

2014-12-11 20:07:43 (69d2a6b999)
- kernel-3.18.0-1.fc22.x86_64
- grub2-1:2.02-0.13.fc22.x86_64
- dbus-1:1.8.12-2.fc22.x86_64
- systemd-218-1.fc22.x86_64
- docker-io-1.3.2-6.gitbb24f99.fc22.x86_64
- cadvisor-0.6.2-0.0.git89088df.fc22.x86_64
- cockpit-0.33-3.fc22.x86_64
- flannel-0.1.0-8.gita7b435a.fc22.x86_64