Replaced c++ standard integer types with Qt types

In order to be consistent, all standard integer types have been
replaced by the equivalent Qt ones in voice/audio code.
Projects covered
- BlackCore
- BlackMisc
- sample_voice_client

refs #99

src/blackmisc/vaudiodevice.cpp

@@ -28,7 +28,7 @@ namespace BlackMisc
         /*
          * Constructor
          */
-        CAudioDevice::CAudioDevice(DeviceType type, const int16_t index, const QString &name) :
+        CAudioDevice::CAudioDevice(DeviceType type, const qint16 index, const QString &name) :
             m_type(type), m_deviceIndex(index),
             m_deviceName(name), m_hostName(CAudioDevice::hostName())
         {