Update readme with instructions on how to create keypair
Update readme with instructions on how to create keypair

svrc-pivotal/lattice,davidwadden/lattice-release,SrinivasChilveri/lattice,felipeg48/lattice,felipeg48/lattice,davidwadden/lattice-release,davidwadden/lattice,datachand/lattice,Klaudit/lattice,datachand/lattice,cloudfoundry-incubator/ltc,Klaudit/lattice,SrinivasChilveri/lattice,svrc-pivotal/lattice,Klaudit/lattice,SrinivasChilveri/lattice,mikegehard/lattice,svrc-pivotal/lattice,SrinivasChilveri/lattice,Klaudit/lattice,davidwadden/lattice,cloudfoundry-incubator/ltc,datachand/lattice,datachand/lattice,mikegehard/lattice,svrc-pivotal/lattice