devenv: add vim xml indent

miscellaneous/devenv/vim.sh

+#!/bin/bash
+
+# install xml.vim
+
+
+mkdir -p ~/.vim/{ftplugin,indent}
+cd ~/.vim
+wget 'http://www.vim.org/scripts/download_script.php?src_id=16073' -O ftplugin/xml.vim
+echo 'let b:did_indent = 1' > indent/xml.vim
+for i in docbk xsl html xhtml
+do
+    ln -s xml.vim ftplugin/$i.vim
+    echo 'let b:did_indent = 1' > indent/$i.vim
+done
+