update readme for final 1.4.9 (fix)

A dev version was released on http://cryptomining-blog.com/

Please update, the previous one has some bugs when using multiple
gpus and the API format has changed!

README.txt

@@ -1,5 +1,5 @@
 
-ccMiner release 1.4.9-tpruvot (Nov 2014) - "GPU Monitoring"
+ccMiner release 1.4.9-tpruvot (15 Nov 2014) - "GPU Monitoring"
 ---------------------------------------------------------------
 
 ***************************************************************
@@ -155,17 +155,19 @@ features.
 
 >>> RELEASE HISTORY <<<
 
-  Nov. 13th 2014  v1.4.9
+  Nov. 15th 2014  v1.4.9
-                  Support of nvml and nvapi to monitor gpus
+                  Support of nvml and nvapi(windows) to monitor gpus
-                  api: Fix multi gpus stats, bump API v1.1
+                  Fix (again) displayed hashrate for multi gpus systems
+                    Average is now made by card (30 scans of the card)
+                  Final API v1.1 (new fields + histo command)
+                  Add support of telnet queries "telnet 127.0.0.1 4068"
+                  add histo api command to get performance debug details
+                  Add a rig sample php ui using json wrapper (php)
+                  Restore quark/jackpot previous speed (differently)
 
   Nov. 12th 2014  v1.4.8
-                  Add a basic API and sample php json wrapper + ui
+                  Add a basic API and a sample php json wrapper
-                  Add Nvidia monitoring (nvapi/nvml) support
                   Add statsavg (def 20) and api-bind parameters
-                  Add support of telnet queries to the api
-                  Fix displayed hashrate for multi gpus systems
-                  Restore quark/jackpot previous speed (differently)
 
   Nov. 11th 2014  v1.4.7
                   Average hashrate (based on the 20 last scans)

api/local-sample.php

@@ -109,11 +109,13 @@ function request($cmd)
 }
 
 ob_start();
+
 $summary = request('summary');
 $threads = request('threads');
-$histo   = request('histo');
+$histo   = array();//request('histo'); /* only enable it if required... */
+
 ob_end_clean();
-//echo ob_get_clean()."\n";
+//echo ob_get_clean()."\n"; /* allow to print protocol debug message */
 
 header("Content-Type: application/json");
 echo json_encode(compact('summary', 'threads', 'histo'))."\n";