Squashed '.vim/bundle/vim-pandoc/' content from commit b959ecf

git-subtree-dir: .vim/bundle/vim-pandoc
git-subtree-split: b959ecf6631bc3c82e7082b1ef70cb2e41ccef0c
Merge commit 'cc3493d85a5e9e9cb735add0c442c5174fa374dd' as '.vim/bundle/vim-pandoc'
adding vim-pandoc
removing vim-markdown-preview
aliases for generating previews with pandoc