More progress on java imports

Signed-off-by: James Hamlin <jfhamlin@gmail.com>

Author: jfhamlin

pkg/codegen/TODO.txt

@@ -6,7 +6,6 @@
 
 
 Handle
-- Exception12 "Exception"
 - ExceptionInfo15 "ExceptionInfo"
 - LinkedBlockingQueue28 "LinkedBlockingQueue"
 - Object16 "Object"
@@ -20,4 +19,3 @@ Handle
 - java.util.concurrent.CountDownLatch25 "java.util.concurrent.CountDownLatch"
 - java.util.concurrent8 "java.util.concurrent"
 - java.util22 "java.util"
-- lang1 "github.com/glojurelang/glojure/pkg/lang"

pkg/codegen/codegen.go

@@ -89,6 +89,9 @@ func (g *Generator) Generate(ns *lang.Namespace) error {
 	var varsBuf bytes.Buffer
 	g.w = &varsBuf
 
+	// add lang import
+	g.addImport("github.com/glojurelang/glojure/pkg/lang")
+
 	g.writef("  ns := lang.FindOrCreateNamespace(lang.NewSymbol(%#v))\n", ns.Name().String())
 	g.writef("  _ = ns\n")
 
@@ -1285,7 +1288,6 @@ func (g *Generator) header() string {
 package generated
 
 import (
-  "github.com/glojurelang/glojure/pkg/lang"
 `
 
 	// sort the imports by their package name for deterministic output