fix example indentation for metric

lib/api/metric.js

@@ -18,19 +18,19 @@ var client = require("../client");
  *    function(err, res)
  *example: |
  *  ```javascript
- *   var dogapi = require("dogapi");
- *   var options = {
- *     api_key: "api_key",
- *     app_key: "app_key"
- *   };
- *   dogapi.initialize(options);
- *   dogapi.metric.send("my.metric", 1000, function(err, results){
- *     console.dir(results);
- *   });
- *   var now = parseInt(new Date().getTime() / 1000);
- *   dogapi.metric.send("my.metric", [now, 1000], function(err, results){
- *     console.dir(results);
- *   });
+ *  var dogapi = require("dogapi");
+ *  var options = {
+ *    api_key: "api_key",
+ *    app_key: "app_key"
+ *  };
+ *  dogapi.initialize(options);
+ *  dogapi.metric.send("my.metric", 1000, function(err, results){
+ *    console.dir(results);
+ *  });
+ *  var now = parseInt(new Date().getTime() / 1000);
+ *  dogapi.metric.send("my.metric", [now, 1000], function(err, results){
+ *    console.dir(results);
+ *  });
  *  ```
  */
 function send(metric, points, extra, callback){
@@ -68,27 +68,27 @@ function send(metric, points, extra, callback){
  *    function(err, res)
  *example: |
  *  ```javascript
- *   var dogapi = require("dogapi");
- *   var options = {
- *     api_key: "api_key",
- *     app_key: "app_key"
- *   };
- *   dogapi.initialize(options);
- *   var now = parseInt(new Date().getTime() / 1000);
- *   var metrics = [
- *     {
- *       metric: "my.metric",
- *       points: [now, 1000],
- *       tags: ["tag:value"]
- *     },
- *     {
- *       metric: "another.metric",
- *       points: 1000
- *     }
- *   ];
- *   dogapi.metric.send_all(metrics, function(err, results){
- *     console.dir(results);
- *   });
+ *  var dogapi = require("dogapi");
+ *  var options = {
+ *    api_key: "api_key",
+ *    app_key: "app_key"
+ *  };
+ *  dogapi.initialize(options);
+ *  var now = parseInt(new Date().getTime() / 1000);
+ *  var metrics = [
+ *    {
+ *      metric: "my.metric",
+ *      points: [now, 1000],
+ *      tags: ["tag:value"]
+ *    },
+ *    {
+ *      metric: "another.metric",
+ *      points: 1000
+ *    }
+ *  ];
+ *  dogapi.metric.send_all(metrics, function(err, results){
+ *    console.dir(results);
+ *  });
  *  ```
  */
 function send_all(metrics, callback){
@@ -114,18 +114,18 @@ function send_all(metrics, callback){
  *  callback: function(err, res)
  *example: |
  *  ```javascript
- *   var dogapi = require("dogapi");
- *   var options = {
- *     api_key: "api_key",
- *     app_key: "app_key"
- *   };
- *   dogapi.initialize(options);
- *   var now = parseInt(new Date().getTime() / 1000);
- *   var then = now - 3600; // one hour ago
- *   var query = "system.cpu.idle{*}by{host}";
- *   dogapi.metric.query(then, now, query, function(err, res){
- *     console.dir(res);
- *   });
+ *  var dogapi = require("dogapi");
+ *  var options = {
+ *    api_key: "api_key",
+ *    app_key: "app_key"
+ *  };
+ *  dogapi.initialize(options);
+ *  var now = parseInt(new Date().getTime() / 1000);
+ *  var then = now - 3600; // one hour ago
+ *  var query = "system.cpu.idle{*}by{host}";
+ *  dogapi.metric.query(then, now, query, function(err, res){
+ *    console.dir(res);
+ *  });
  *  ```
  */
 function query(from, to, query, callback){