=name            new_plugin

    =abstract        vim plugin blah blah blah

    =author          Cornelius (cornelius.howl@gmail.com)

    =version_from    plugin/new_plugin.vim   # extract version infomation from this file

    =type            syntax

    =script_id       [script id on vim.org]    # for uploading script to vim.org

    =dependency

        autocomplpop.vim > 0.3
        rainbow.vim      >= 1.2

        libperl.vim
            | autoload/libperl.vim | http://....../..././.../libperl.vim
            | autoload/std.vim | http://....../..././.../std.vim

        cpan.vim > 0
            git://github.com/c9s/cpan.vim.git  # install from git repository

    =script

        bin/parser
        bin/template_generator

    =repository git://....../

available metafile names: VIMMETA, META, VIMMETA.yml

read_metafile function tries to find available vim meta file and parse meta file into hashref.

return meta information in hashref.

find_meta_file function tries to find available vim meta file

return the filename of vim meta file (string)