Updating security doc wrt to SSL security
Updating security doc wrt to SSL security

This patch updates the security document with respect to
the recent changes in RPC security. For details see
design-node-security.

Signed-off-by: Helga Velroyen <2d0126b1ec6f9ec5cbec4a7012aa14faeaef10f5@google.com>
Reviewed-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>

dimara/ganeti,mbakke/ganeti,mbakke/ganeti,dimara/ganeti,yiannist/ganeti,grnet/snf-ganeti,leshchevds/ganeti,andir/ganeti,leshchevds/ganeti,leshchevds/ganeti,onponomarev/ganeti,apyrgio/ganeti,yiannist/ganeti,onponomarev/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,bitemyapp/ganeti,andir/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,ganeti/ganeti,grnet/snf-ganeti,bitemyapp/ganeti,mbakke/ganeti,yiannist/ganeti,apyrgio/ganeti,andir/ganeti