More accurate compilation error reports (#861)

Author: HEIHUAa

project.xml

@@ -189,6 +189,9 @@
 	<haxedef name="USE_ADAPTED_ASSETS" if="USE_ADAPTED_ASSETS" />
 	<haxedef name="openfl_dpi_aware" if="openfl_dpi_aware" />
 
+	<!-- Disable it for more concise compilation errors. -->
+	<haxedef name="message.reporting" value="pretty" />
+
 	<!-- _________________________________ Custom _______________________________ -->
 
 	<!--Place custom nodes like icons here (higher priority to override the HaxeFlixel icon)-->