Translation updates

src/bin/initdb/po/ro.po

src/bin/initdb/po/sl.po

src/bin/pg_config/po/ro.po

src/bin/pg_config/po/sl.po

src/bin/pg_ctl/po/ro.po

src/bin/pg_ctl/po/sl.po

src/bin/pg_dump/po/ro.po

src/bin/pg_dump/po/sl.po

src/bin/pg_resetxlog/po/sl.po

src/bin/psql/po/ro.po

src/bin/psql/po/sl.po