Renamed "std" library containing Any, Nothing, tuple and function types to "jet.src" and added readme file.

compiler/frontend/generator/TuplesAndFunctionsGenerator.java

@@ -87,7 +87,7 @@ public class TuplesAndFunctionsGenerator {
     }
 
     public static void main(String[] args) throws FileNotFoundException {
-        File baseDir = new File("compiler/frontend/src/std/");
+        File baseDir = new File("compiler/frontend/src/jet.src/");
         assert baseDir.exists() : "Base dir does not exist: " + baseDir.getAbsolutePath();
 
         PrintStream tuples = new PrintStream(new File(baseDir, "Tuples.jet"));

compiler/frontend/src/jet.src/README.md

@@ -0,0 +1,4 @@
+These files are used only for navigation from user code in IDE.
+
+These files are not processed by Kotlin compiler. Compiler creates Any, Nothing, tuple and function
+types on-the-fly.