No segfault on window resize

ChangeLog.md

     * Added loadPNG to TextureManager
     * Added loadImage to TextureManager, _detecting_ the file type
     * Re-Implemented the move command
+    * Prevent crash (segfault) when resizing window while console is
+      not fully scrolled to the bottom
 
     [ 20140624 ]
     * Some changes to allow compilation with Ubuntu 14.04 / gcc

src/Console.cpp

             scrollIndicator = (mHistory.size() - lineCount - mLineOffset) * 100 / (mHistory.size() - lineCount);
         } else {
             scrollIndicator = 100;
+            mLineOffset = 0;
         }
 
         getFont().drawText(10, 10, 0.70f, BLUE,

src/Render.cpp

 
 void Render::drawLoadScreen()
 {
-    float x = 0.0f, y = 0.0f, z = -160.0f;
+    float x = 0.0f, y = 0.0f, z = 0.0f;
     float w = getWindow().getWidth(), h = getWindow().getHeight();
 
     if (getTextureManager().getTextureCount() <= 0)