i18n for files in core package.

frontend/src/locale/messages.json

@@ -2,12 +2,15 @@
   "locale": "en-UK",
   "translations": {
     "2578598149846191609": "Publication posted by {$INTERPOLATION}",
+    "3450287383703155559": "You are unauthenticated. Please, log-in first.",
+    "7819314041543176992": "Close",
+    "5455465794443528807": "You are unauthenticated. Please, re-authenticate before retrying your action.",
+    "6940115735259407353": "An error occured while loading categories.",
     "4011987306265136481": "Disconnection...",
     "4869473828758837325": "Last publications",
     "5148998676057880041": "Publications loading...",
     "3688381096110057852": "No any publication.",
     "8393632007890629197": "An error occurred while retrieving latest publications...",
-    "7819314041543176992": "Close",
     "2454050363478003966": "Login",
     "8138320902772264034": " Email address {$START_TAG_SPAN}*{$CLOSE_TAG_SPAN}",
     "9175472990822669391": " Password {$START_TAG_SPAN}*{$CLOSE_TAG_SPAN}",
@@ -20,7 +23,6 @@
     "1519054954638405159": "Publication loading...",
     "5982957837973242128": "There is no any publication...",
     "6147923540123489141": "An error occurred while retrieving your publications...",
-    "3450287383703155559": "You are unauthenticated. Please, log-in first.",
     "2804059545779555969": "Creation of a new publication",
     "4229813881636784544": "Publication created succesfully!",
     "1772332295232318552": "An error occured while saving new publication.",