OO-1 : missing i18n keys for guidemo: button.dirty

--HG--
branch : 80-patch

src/main/java/org/olat/test/guidemo/_i18n/LocalStrings_de.properties

@@ -65,8 +65,9 @@ button=Button (default)
 button.disabled=Button (disabled)
 button.long.trans=Button (longTransaction enabled)
 button.small=Button (small)
-button.dirty=Button (dirty)
 button.xsmall=Button (xsmall)
+button.dirty=Button (dirty)
+button.preferred=Button (preferred)
 choose=w\u00E4hlen
 close=schliessen
 guidemo.dialog.customcss=Dialog mit eigener CSS Klasse

src/main/java/org/olat/test/guidemo/_i18n/LocalStrings_en.properties

@@ -65,6 +65,8 @@ button.disabled=Button (disabled)
 button.long.trans=Button (long transaction enabled)
 button.small=Button (small)
 button.xsmall=Button (xsmall)
+button.dirty=Button (dirrrrrty)
+button.preferred=Button (preferred)
 calloutTriggerLink=Add user
 calloutTriggerLink2=more...
 choose=Choose