Vimana is an easy-to-use system for searching, installing, and downloading vim
Vimana provides a command-line interface such like aptitude program on
Debian linux, for you to search, download, install, upgrade scripts from
<http://www.vim.org> (vim online site).
Vimana can install a vim script package to your vim runtime path automatically
by inspecting the content of arch
x support installing packages from git/svn/hg repository
x support for vim::packager
x installation record
should record file content checksum too. (for removing plugins)
if the checksum of a file is mismatched , then we shouldn't unlink the file.
* support ps