add inventoryclearall message

update messages.properties

update messages_en.properties

update messages_da.properties

update messages_de.properties

update messages_en.properties

update messages_es.properties

update messages_fi.properties

update messages_fr.properties

update messages_it.properties

update messages_nl.properties

update messages_pl.properties

update messages_pt.properties

update messages_se.properties
fix typo