[vim] Add Jinja2 syntax bundle
Squashed 'Vim/bundle/jinja2/' content from commit 724f572

git-subtree-dir: Vim/bundle/jinja2
git-subtree-split: 724f57258b99549b1139dda6a4f310ff69c13c8c
[vim] Add external bundle jinja2
[vim] Add khuno bundle
Squashed 'Vim/bundle/khuno/' content from commit 1f6e175

git-subtree-dir: Vim/bundle/khuno
git-subtree-split: 1f6e175110ecc3ced4531643911d5f4a0f517576
[vim] Add external bundle khuno