vim: Update settings for the ultisnips plugin.
vim: Update settings for the ultisnips plugin.

1. I do not use snipMate snippets, so their support can be disabled.

2. Using an absolute path in UltiSnipsSnippetDirectories can lead to
   a significant speedup.

s3rvac/dotfiles,s3rvac/dotfiles,s3rvac/dotfiles