Squashed 'bundles/vimwiki/' content from commit cb5c38a

git-subtree-dir: bundles/vimwiki
git-subtree-split: cb5c38a575bcdffa52747aef962dc9d61c7a8207
git-subtree-origin: git://github.com/vim-scripts/vimwiki.git
add git 'bps': buildpackage -S
Merge commit '08c058e' via subtree at 'bundles/vimwiki'

git-subtree-origin: git://github.com/vim-scripts/vimwiki.git
git-subtree-via:    08c058e58e92059c858f71f46fb5db79d61ad8e1
fix syntax in plugin/perl_fork.vim
initial .gitsubtrees config prototype

Ideally...  something that would make it super-easy to update all of our
squashed subtrees.
add non-system @INC stripping plugin
start ignoring some files