Add configuration for native-image tool

mx.fastr/native-image.properties

+# This file contains native-image arguments needed to fastr
+#
+
+ImageName = R
+
+Requires = Tool:nfi
+
+JavaArgs = \
+    -Dfastr.resource.factory.class=com.oracle.truffle.r.nodes.builtin.EagerResourceHandlerFactory \
+    -Dfastr.internal.grid.awt.support=false \
+    -Xmx6G
+
+Args = -H:Class=com.oracle.truffle.r.launcher.RCommand

mx.fastr/suite.py

@@ -70,7 +70,7 @@ suite = {
       "sha1" : "0baa82bff19059401e90e1b90020beb9c96305d7",
       "maven" : {
         "groupId" : "org.antlr",
-        "artifactId" : "antlr",
+        "artifactId" : "antlr-runtime",
         "version" : "3.5",
       },
     },