Examples, Doc:

- Update document for Java examples
- Fixed error on HeadsetInformation Logger C# example

examples/C#/HeadsetInformationLogger/Program.cs

@@ -50,7 +50,7 @@ namespace HeadsetInformationLogger
 
             file.Write((int)es.GetContactQuality((int)EdkDll.IEE_InputChannels_t.IEE_CHAN_AF3) + ",");
             file.Write((int)es.GetContactQuality((int)EdkDll.IEE_InputChannels_t.IEE_CHAN_T7) + ","); 
-            file.Write((int)es.GetContactQuality((int)EdkDll.IEE_InputChannels_t.IEE_CHAN_Pz) + ","); 
+            file.Write((int)es.GetContactQuality((int)EdkDll.IEE_InputChannels_t.IEE_CHAN_O1) + ","); 	// Pz
             file.Write((int)es.GetContactQuality((int)EdkDll.IEE_InputChannels_t.IEE_CHAN_T8) + ","); 
             file.Write((int)es.GetContactQuality((int)EdkDll.IEE_InputChannels_t.IEE_CHAN_AF4) + ",");