9bb517551d
`nmap @` is not yet set when `vim/plugin/settings/yankring.vim` is loaded. Moved nunmap @ to `vim/after/plugin/yankring.vim` because it is loaded after the plugin is finished loading.
We are purposefully including an older version of snipMate (0.84) from mikefarmer's repo so that it works with the long list of snippets available from the scrooloose/snippets collection. The current mainline snipMate seems to be no longer compatible with those snippets, but the scrooloose collection is still the best one to use.