Add java version to cardinal -v

Author: Pablete1234

src/main/java/in/twizmwaz/cardinal/chat/ChatConstant.java

@@ -338,6 +338,8 @@ public enum ChatConstant {
     UI_LATEST_VERSION("userInterface.latestVersion"),
     UI_UPDATE_AVAILABLE("userInterface.updateAvailable"),
     UI_VERSION("userInterface.version"),
+    UI_JAVA_VERSION("userInterface.java-version"),
+    UI_JAVA_UPDATE("userInterface.java-update"),
     UI_MATCH_REPORT_UPLOAD("userInterface.matchReportUpload"),
     UI_MATCH_REPORT_SUCCESS("userInterface.matchReportSuccess"),
     UI_MATCH_REPORT_FAILED("userInterface.matchReportFailed"),

src/main/java/in/twizmwaz/cardinal/command/CardinalCommand.java

@@ -25,6 +25,10 @@ public class CardinalCommand {
     public static void cardinal(final CommandContext cmd, CommandSender sender) throws CommandPermissionsException {
         if (cmd.hasFlag('v')) {
             sender.sendMessage(ChatColor.GOLD + ChatConstant.UI_VERSION.asMessage(new UnlocalizedChatMessage(Cardinal.getInstance().getDescription().getVersion())).getMessage(ChatUtil.getLocale(sender)));
+            sender.sendMessage(ChatColor.GOLD + ChatConstant.UI_JAVA_VERSION.asMessage(new UnlocalizedChatMessage(System.getProperty("java.version"))).getMessage(ChatUtil.getLocale(sender)));
+            if (System.getProperty("java.version").startsWith("1.7")) {
+                sender.sendMessage(ChatColor.DARK_RED + ChatConstant.UI_JAVA_UPDATE.getMessage(ChatUtil.getLocale(sender)));
+            }
             Bukkit.getScheduler().runTaskAsynchronously(Cardinal.getInstance(), UpdateHandler.getUpdateHandler().getNotificationTask(sender));
         }
         if (cmd.hasFlag('r')) {

src/main/resources/lang/en.xml

@@ -336,6 +336,8 @@
         <latestVersion>Cardinal is up-to-date!</latestVersion>
         <updateAvailable>A newer build of Cardinal is available!</updateAvailable>
         <version>This server is running Cardinal version {0}</version>
+        <java-version>This server is running Java version {0}</java-version>
+        <java-update>Sportbukkit &amp; Cardinal will stop working with java 7 shortly, you need to update java</java-update>
         <matchReportUpload>Uploading match report...</matchReportUpload>
         <matchReportSuccess>Match report successfully uploaded! You can view it at {0}</matchReportSuccess>
         <matchReportFailed>An error occurred while uploading the match report</matchReportFailed>