version: bump to v0.5.2
version: bump to v0.5.2

imzhulei/flannel,kelcecil/flannel,ingvagabund/flannel,adiclepcea/flannel,kelcecil/flannel,ingvagabund/flannel,endocode/flannel,coreos/flannel,coreos/flannel,adiclepcea/flannel,bprashanth/flannel,Yhgenomics/flannel,kelcecil/flannel,svdata/flannel,lihuanghai/flannel,wikimedia/operations-debs-flannel,endocode/flannel,imzhulei/flannel,coreos/flannel,imzhulei/flannel,adiclepcea/flannel,wikimedia/operations-debs-flannel,endocode/flannel,jonboulle/flannel,svdata/flannel,jonboulle/flannel,Yhgenomics/flannel,ingvagabund/flannel,lihuanghai/flannel,bprashanth/flannel,Yhgenomics/flannel,svdata/flannel,jonboulle/flannel,bprashanth/flannel,lihuanghai/flannel,wikimedia/operations-debs-flannel