Bit more robust suite path construction in GenerateRParserProcessor

getCanonicalFile() removes any '..' from the path. Some IDEs (intellij) put
'..' into StandardLocation.SOURCE_OUTPUT. With '..' the getParentFile() does
not work as intended.

com.oracle.truffle.r.parser.processor/src/com/oracle/truffle/r/parser/processor/GenerateRParserProcessor.java

 /*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -66,7 +66,7 @@ public class GenerateRParserProcessor extends AbstractProcessor {
                 Filer filer = processingEnv.getFiler();
                 File srcGenDir = getSrcGenDir(filer);
                 // note("srcgendir: " + srcGenDir.getAbsolutePath());
-                File suiteRoot = srcGenDir.getParentFile().getParentFile().getParentFile();
+                File suiteRoot = srcGenDir.getCanonicalFile().getParentFile().getParentFile().getParentFile();
                 // note("suiteRoot: " + suiteRoot.getAbsolutePath());
 
                 // path to ANTLR jar

mx.fastr/copyrights/overrides

@@ -228,7 +228,6 @@ com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/access/UpdateSlotNode.
 com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/binary/CastTypeNode.java,purdue.copyright
 com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/function/CallMatcherNode.java,purdue.copyright
 com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/function/S3FunctionLookupNode.java,purdue.copyright
-com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/function/UseMethodInternalNode.java,purdue.copyright
 com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/objects/AsS4.java,gnu_r_gentleman_ihaka.copyright
 com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/objects/DispatchGeneric.java,gnu_r_gentleman_ihaka.copyright
 com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/objects/ExecuteMethod.java,gnu_r_gentleman_ihaka.copyright