v0.7.1c: removed android-specific code from several classes in core

SPD-classes/src/main/java/com/watabou/gltextures/SmartTexture.java

@@ -104,6 +104,10 @@ public class SmartTexture extends Texture {
 		height = bitmap.getHeight();
 	}
 	
+	public int getPixel( int x, int y ){
+		return bitmap.getPixel(x, y);
+	}
+	
 	public void reload() {
 		id = -1;
 		generate();