Review textures to be POT

Could correct possible issues on OpenGL 1.1

examples/models/models_yaw_pitch_roll.c

@@ -144,9 +144,9 @@ int main()
             End3dMode();
 
             // Draw 2D GUI stuff
-            DrawAngleGauge(texAngleGauge, 80, 80, roll, "roll", RED);
+            DrawAngleGauge(texAngleGauge, 80, 70, roll, "roll", RED);
-            DrawAngleGauge(texAngleGauge, 190, 80, pitch, "pitch", GREEN);
+            DrawAngleGauge(texAngleGauge, 190, 70, pitch, "pitch", GREEN);
-            DrawAngleGauge(texAngleGauge, 300, 80, yaw, "yaw", SKYBLUE);
+            DrawAngleGauge(texAngleGauge, 300, 70, yaw, "yaw", SKYBLUE);
             
             DrawRectangle(30, 360, 260, 70, Fade(SKYBLUE, 0.5f));
             DrawRectangleLines(30, 360, 260, 70, Fade(DARKBLUE, 0.5f));