Add OpenEXR export option

In preparation for depth map export.

src/main/java/com/replaymod/render/RenderSettings.java

@@ -79,6 +79,8 @@ public class RenderSettings {
 
         BLEND(null, "blend"),
 
+        EXR(null, "exr"),
+
         PNG("\"%FILENAME%-%06d.png\"", "png");
 
         private final String preset;
@@ -111,6 +113,13 @@ public class RenderSettings {
         public boolean isSupported() {
             if (this == BLEND) {
                 return RenderMethod.BLEND.isSupported();
+            } else if (this == EXR) {
+                // Need LJWGL 3
+                //#if MC>=11400
+                return true;
+                //#else
+                //$$ return false;
+                //#endif
             } else {
                 return true;
             }