Squashed 'bundle/tmuxline.vim/' content from commit d86ae3a

git-subtree-dir: bundle/tmuxline.vim
git-subtree-split: d86ae3af06b9db35be1dd2730177b2a00bea6535
Merge commit '1cc43829c4224f9a97648808dbcabd113f59dfbb' as 'bundle/tmuxline.vim'