Change properties file by use encoding UTF-8

core-java-modules/core-java-8/src/main/resources/formats_fr.properties

@@ -1,2 +1,2 @@
-label={0, date, short}, {1}{2, choice, 0# ne|0<} vous a envoyé {2, choice, 0#aucun message|1#un message|2#deux messages|2<{2,number,integer} messages}.
-label-icu={0} {2, plural, =0 {ne } other {}}vous a envoyé {2, plural, =0 {aucun message} =1 {un message} other {{2, number, integer} messages}}.
+label={0, date, short}, {1}{2, choice, 0# ne|0<} vous a envoyé {2, choice, 0#aucun message|1#un message|2#deux messages|2<{2,number,integer} messages}.
+label-icu={0} {2, plural, =0 {ne } other {}}vous a envoyé {2, plural, =0 {aucun message} =1 {un message} other {{2, number, integer} messages}}.

core-java-modules/core-java-8/src/main/resources/formats_pl.properties

@@ -1,2 +1,2 @@
 label=W {0, date, short} {1}{2, choice, 0# nie|0<} wys\u0142a\u0142a ci {2, choice, 0#\u017Cadnych wiadomo\u015Bci|1#wiadomo\u015B\u0107|2#dwie wiadomo\u015Bci|2<{2, number, integer} wiadomo\u015Bci}.
-label-icu={0} {2, plural, =0 {nie } other {}}{1, select, male {wys\u0142a\u0142} female {wys\u0142a\u0142a} other {wys\u0142a\u0142o}} ci {2, plural, =0 {\u017Cadnej wiadomo\u015Bci} =1 {wiadomo\u015B\u0107} other {{2, number, integer} wiadomo\u015Bci}}.
+label-icu={0} {2, plural, =0 {nie } other {}}{1, select, male {wys\u0142a\u0142} female {wys\u0142a\u0142a} other {wys\u0142a\u0142o}} ci {2, plural, =0 {\u017Cadnej wiadomo\u015Bci} =1 {wiadomo\u015B\u0107} other {{2, number, integer} wiadomo\u015Bci}}.

core-java-modules/core-java-8/src/main/resources/messages_fr.properties

@@ -1 +1 @@
-label=Alice vous a envoyé un message.
+label=Alice vous a envoyé un message.

core-java-modules/core-java-8/src/main/resources/messages_it.properties

@@ -1 +1 @@
-label=Alice ti ha inviato un messaggio.
+label=Alice ti ha inviato un messaggio.