Fixes the following

- Show "Load messages to translate" button
- Create getTgMsgOptions function to reduce redundancy

Fixes amire80#7

MediaWikiTelegramBot.js

@@ -34,6 +34,14 @@ function inlineKeyboardButton(text, action, params) {
     return [{ text, callback_data: callbackString(action, params) }];
 }
 
+function getTgMsgOptions(inlineKeyboard) {
+    return {
+        reply_markup: JSON.stringify({
+            inline_keyboard: inlineKeyboard
+        })
+    };
+}
+
 let config;
 
 try {
@@ -123,6 +131,19 @@ function setLanguageCode(userID, newLanguageCode) {
     user.languageCode = newLanguageCode;
     user.currentMwMessageIndex = 0;
     user.loadedMwMessages = [];
+
+    // Since Issue #7
+    const inlineKeyboard = [
+        createGetUntranslatedMessagesButton(userID)
+    ];
+
+    const tgMsgOptions = getTgMsgOptions(inlineKeyboard);
+
+    tgBot.sendMessage(
+        userID,
+        i18n(getLanguageCode(userID), "tgbot-load-messages"),
+        tgMsgOptions
+    );
 }
 
 // TODO: Replace with something like jquery.i18n
@@ -265,11 +286,7 @@ function showCurrentMwMessage(userID) {
             callbackPrefixes.SKIP
         ));
 
-        const tgMsgOptions = {
-            reply_markup: JSON.stringify({
-                inline_keyboard: inlineKeyboard
-            })
-        };
+        const tgMsgOptions = getTgMsgOptions(inlineKeyboard);
 
         tgBot.sendMessage(
             userID,
@@ -309,11 +326,7 @@ function advanceMwMessage(userID) {
             createGetUntranslatedMessagesButton(userID)
         ];
 
-        const tgMsgOptions = {
-            reply_markup: JSON.stringify({
-                inline_keyboard: inlineKeyboard
-            })
-        };
+        const tgMsgOptions = getTgMsgOptions(inlineKeyboard);
 
         tgBot.sendMessage(
             userID,
@@ -591,11 +604,7 @@ tgBot.onText(/^([^\/].*)/, (tgMsg, match) => {
         createGetUntranslatedMessagesButton(userID)
     ];
 
-    const tgMsgOptions = {
-        reply_markup: JSON.stringify({
-            inline_keyboard: inlineKeyboard
-        })
-    };
+    const tgMsgOptions = getTgMsgOptions(inlineKeyboard);
 
     tgBot.sendMessage(
         userID,