add missing monitorID to mute()

lib/api/monitor.js

@@ -240,7 +240,7 @@ function mute(monitorId, options, callback){
     } else {
         params.body = "";  // create empty body
     }
-    client.request("POST", util.format("/monitor/%s/mute"), params, callback);
+    client.request("POST", util.format("/monitor/%s/mute", monitorId), params, callback);
 }
 
 /*section: monitor
@@ -293,16 +293,8 @@ function unmute(monitorId, scope, callback){
         params.body = {
             scope: scope
         };
-<<<<<<< HEAD
-<<<<<<< HEAD
-=======
     } else {
         params.body = "";  // create empty body
->>>>>>> 5243bf7... add params.body default to client.prototype.request
-=======
-    } else {
-        params.body = "";
->>>>>>> 4818053... add params.body default to mute() and unmute()
     }
     client.request("POST", util.format("/monitor/%s/unmute", monitorId), params, callback);
 }