Fix frdmn's minecraft plugins

- Get rid of duplicate plugins in "jsonapi/" folder
- Rename
- Reference to original GitHub repo

plugins/minecraft/bukkit-jsonapi-ramusage

@@ -0,0 +1,65 @@
+#!/usr/bin/php
+<?php
+/**
+ * Bukkit RAM usage Munin plugin
+ * ---------------------------------
+ *
+ * Shows the current RAM usage of your Minecraft process
+ * an the total RAM (parsed via JSONAPI)
+ *
+ * Read more about my plugins on my blog:
+ * http://s.frd.mn/XJsryR
+ *
+ * Author: Jonas Friedmann (http://frd.mn)
+ * GitHub: https://github.com/yeahwhat-mc/munin-bukkit-plugins
+ * 
+ */
+
+/**
+ * JSONAPI configuration
+ */
+
+$hostname = 'your-hostname';
+$username = 'your-username';
+$password = 'your-password';
+$salt     = 'your-salt';
+$port     = 20059;
+
+/**
+ * !!! DO NOT EDIT THIS PART BELOW !!!
+ */
+
+if ((count($argv) > 1) && ($argv[1] == 'config'))
+{
+print("graph_title Bukkit / JSONAPI - RAM usage
+graph_category bukkit
+graph_vlabel RAM usage in GB
+graph_args --base 1024 -l 0
+total.label total
+total.type GAUGE
+used.label used
+used.type GAUGE
+");
+exit();
+}
+
+// Include JSONAPI.php SDK (get this file here: https://github.com/alecgorge/jsonapi/raw/master/sdk/php/JSONAPI.php)
+require('/var/cache/munin/JSONAPI.php');
+
+// Prepare API call
+$api = new JSONAPI($hostname, $port, $username, $password, $salt);
+$result = $api->callMultiple(array(
+  "system.getJavaMemoryUsage",
+  "system.getJavaMemoryTotal"
+  ), array(
+  array(),
+  array(),
+));
+
+// Check for success
+if ($result['result'] == 'success'){
+  // Print values
+  print('used.value ' . round($result['success'][0]['success']/1000,2) . "\n");
+  print('total.value ' . round($result['success'][1]['success']/1000,2) . "\n");
+}
+?>