Bug 590515 - Implement SHA-224/256/384/512 key derivation in Softoken, cleanup, contributed by David Cooper, r=rrelyea
Bug 590515 - Implement SHA-224/256/384/512 key derivation in Softoken, cleanup, contributed by David Cooper, r=rrelyea

ekr/nss-old,ekr/nss-old,ekr/nss-old,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,nmav/nss,nmav/nss