Squashed 'dotvim/bundle/vim-scala/' content from commit c81f87c

git-subtree-dir: dotvim/bundle/vim-scala
git-subtree-split: c81f87ca6786142b531e66a948effacc03a02184
Merge commit '7293c8cbb154cf6d46b09a9a47368ca5016f36e0' as 'dotvim/bundle/vim-scala'
Simplify adding a new bundle from a git repo.