Removed the DevIL backend from love.image. Replaced it with PNG and JPEG encoders/decoders via LodePNG, zlib, and libjpeg-turbo.

PNG and JPEG are now the only two supported image formats, aside from compressed DDS (DXT, etc.)

--HG--
branch : minor

src/modules/image/magpie/FormatHandler.cpp

@@ -57,6 +57,11 @@ FormatHandler::EncodedImage FormatHandler::encode(const DecodedImage& /*img*/, I
 	throw love::Exception("Image encoding is not implemented for this format backend.");
 }
 
+void FormatHandler::free(unsigned char *mem)
+{
+	delete[] mem;
+}
+
 } // magpie
 } // image
 } // love