Add AutoComplPop

This plugin automatically opens popup menu for completions.
URL: http://www.vim.org/scripts/script.php?script_id=1879
Add L9 library

This was necessary for AutoComplPop plugin.
URL: http://www.vim.org/scripts/script.php?script_id=3252
Add delimitMate

This plugin provides auto-balancing and some expansions for parens,
quotes, etc.
URL: http://www.vim.org/scripts/script.php?script_id=2754