switch to version 2.2.0

internal <plug> mappings are now used for all the commenting operations.
Key mappings are no longer specified with options. Instead the user must
create their own mappings to the internal <plug> mappings.

Rakefile

@@ -0,0 +1,18 @@
+desc "Copy the vim/doc files into ~/.vim"
+task :deploy_local do
+  run "cp plugin/NERD_commenter.vim ~/.vim/plugin"
+  run "cp doc/NERD_commenter.txt ~/.vim/doc"
+end
+
+
+desc "Create a zip archive for release to vim.org"
+task :zip do
+  abort "NERD_commenter.zip already exists, aborting" if File.exist?("NERD_commenter.zip")
+  run "zip NERD_commenter.zip plugin/NERD_commenter.vim doc/NERD_commenter.txt"
+end
+
+def run(cmd)
+  puts "Executing: #{cmd}"
+  system cmd
+end
+