install haxedoc (fixed issue #1553)

Makefile

@@ -68,7 +68,9 @@ install:
 	mkdir $(INSTALL_DIR)/lib/haxe/lib
 	chmod 777 $(INSTALL_DIR)/lib/haxe/lib
 	cp std/tools/haxelib/haxelib.sh $(INSTALL_DIR)/bin/haxelib
+	cp std/tools/haxedoc/haxedoc.sh $(INSTALL_DIR)/bin/haxedoc
 	chmod +x $(INSTALL_DIR)/bin/haxelib
+	chmod +x $(INSTALL_DIR)/bin/haxedoc
 	
 uninstall:
 	rm -rf $(INSTALL_DIR)/bin/haxe $(INSTALL_DIR)/bin/haxelib $(INSTALL_DIR)/lib/haxe

std/tools/haxedoc/haxedoc.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+haxe --run tools.haxedoc.Main $@