updated kubernetes version to v0.5.3
updated kubernetes version to v0.5.3


Former-commit-id: 1661143fa5555c1bc4e38a3df31bb8e35cf80835
projectcalico/libcalico,L-MA/libcalico,tomdee/libcalico,insequent/libcalico,TrimBiggs/libnetwork-plugin,Symmetric/libcalico,djosborne/libcalico,robbrockbank/libcalico,plwhite/libcalico,TrimBiggs/libcalico,tomdee/libnetwork-plugin,caseydavenport/libcalico,projectcalico/libnetwork-plugin,alexhersh/libcalico,TrimBiggs/libnetwork-plugin