Issue mozilla#1467: Changed link to vim syntax highlighting.

Updated link to vim syntax highlighting to no longer link to outdated repository.

docs/templating.md

@@ -39,7 +39,7 @@ include recognition of the `.njk` extension.
 Plugins are available in various editors to support the `jinja` syntax highlighting of Nunjucks.
 
 * atom <https://github.com/alohaas/language-nunjucks>
-* vim <https://github.com/niftylettuce/vim-jinja>
+* vim <https://github.com/lepture/vim-jinja>
 * brackets <https://github.com/axelboc/nunjucks-brackets>
 * sublime <https://github.com/mogga/sublime-nunjucks/blob/master/Nunjucks.tmLanguage>
 * emacs <http://web-mode.org>