#2 libxml2 plugin development

[Xiaoqiang Wang]

Scenario:
When vim user edit a xml file, sometime need to format it to readable and easy to go with. So we need an plugin named "libxml2".
Function Requires:
Auto download tarball, auto install, auto configure as basics.
Resource:
http://xmlsoft.org/
Subversion:
https://vim-helper.svn.sourceforge.net/svnroot/vim-helper/branches/vim-helper_dev_0.5/packages@42
Project Toolkits:
vim-helper-dev-0.5.2-01.tar.gz
vim-helper-0.5.2-01.tar.gz
from url: https://sourceforge.net/projects/vim-helper/files/0.5/?