Examples adjustments.

* French to English punctuation.
* Pong and Shader use fixed-sized windows now (especially on tiling
  window managers, the windows will be resized automatically, thus
  making the examples look and also behave weirdly).

examples/sound_capture/SoundCapture.cpp

@@ -24,7 +24,7 @@ int main()
 
     // Choose the sample rate
     unsigned int sampleRate;
-    std::cout << "Please choose the sample rate for sound capture (44100 is CD quality) : ";
+    std::cout << "Please choose the sample rate for sound capture (44100 is CD quality): ";
     std::cin  >> sampleRate;
     std::cin.ignore(10000, '\n');