Translated workflow graphics.
*8901* changes to es_ES locale

merged manually from https://github.com/pkp/ojs/pull/272/commits
*8901* changes to es_ES locale

merged manually from https://github.com/pkp/ojs/pull/274
*8901* translations from translation install
*8901* translations from translation install

includes changes to fr_CA submitted previously, as well as PLN changes
Fixed create journal test, use value instead of localized text
Fixed PLN plugin schema version definition
Submodule changes track