Fixed Vim code in README

Vim now calls annot(1) with a relative path
Simplified function 'find'

Now using List.find
Improved documentation
Moved lipsum source code to src/

This makes room to add libraries and such at the top level.
Passing more flags to pod2man

--center "Tools for OCaml" --date "$$(date)"
Merge commit 'dca36c1ef0120c96e161efba021d5b38edd8b178' into lipsum-for-lit-prog