We add 2 ocid options for choosing the CNI configuration and plugin
binaries directories: --cni-config-dir and --cni-plugin-dir.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Add documentation for the new configuration file format, as well as the
new `ocid config` subcommand and the changed --socket option.
Signed-off-by: Aleksa Sarai <asarai@suse.de>
