Handle config path without slash
Handle config path without slash

If the parameter configuration file path does not contain a "/"
it used to assert as it could not find it's folder.

Use "." this case.

Signed-off-by: Kevin Rocard <bd9a896220d78c7807307c046053ff427b594938@intel.com>

geekboxzone/mmallow_external_parameter-framework,geekboxzone/mmallow_external_parameter-framework,geekboxzone/mmallow_external_parameter-framework