Merge pull request #277 from butlerx/update/vim

update vim to version 8

packages/vim.rb

 require 'package'
 
 class Vim < Package
-  version '7.4'
-  source_url 'ftp://ftp.vim.org/pub/vim/unix/vim-7.4.tar.bz2'
-  source_sha1 '601abf7cc2b5ab186f40d8790e542f86afca86b7'
+  version '8.0'
+  source_url 'ftp://ftp.vim.org/pub/vim/unix/vim-8.0.tar.bz2'
+  source_sha1 '1f852a99d667bd675d2f2a70e82094bdbe844108'
 
   depends_on 'ncurses'
   depends_on 'perl'
@@ -11,7 +11,7 @@ class Vim < Package
   depends_on 'ruby'
 
   def self.build
-    system './configure --prefix=/usr/local --enable-gui=no --with-features=huge --without-x --disable-nls --with-tlib=ncurses --enable-perlinterp --enable-pythoninterp  --enable-rubyinterp --with-ruby-command=/usr/local/bin/ruby'
+    system './configure --prefix=/usr/local --enable-gui=no --with-features=huge --without-x --disable-nls --enable-multibyte  --with-tlib=ncurses --enable-perlinterp --enable-pythoninterp  --enable-rubyinterp --with-ruby-command=/usr/local/bin/ruby'
     system "make"
   end