Add function package-requires to elisp build script.

build.el

@@ -16,6 +16,24 @@
 
 (package-initialize)
 
+
+(defun packages-require (&rest packs)
+  "Install and load a package. If the package is not available
+   installs it automaticaly. 
+  "
+  (mapc  (lambda (package)
+           (unless (package-installed-p package)
+                   (package-install package)    
+                   ;;#'package-require
+                   ))
+
+         packs
+
+         ))
+
+
+(packages-require  'htmlize)
+
 (require 'org)
 (require 'htmlize)
 (require 'ox-publish)