Edoc fixes for readable HTML generation

* Fix vertical whitespace and code formatting in module doc string (particularly noticeable in the wm modules)
* Some textual improvements to same
* Various fixes to `@see/@link`:
  * Separate `@see` from `@doc`
  * Replace `@see` with `@link` where appropriate
  * Fix cross-references to other Riak applications
  * Drop `@see` where it isn't actually part of edoc

* UTF-8 encoding for files where Nuno Preguiça is referenced in edoc strings so rendered properly
* Fix URLs in edoc strings (require [] for URL-ification)
* Various grammar fixes
* Replace "" and '' with `' where appropriate
Global path, since this is a different project. See section 1.9 in http://www.erlang.org/doc/apps/edoc/chapter.html

Sent from my iPhone

> On Aug 15, 2014, at 12:48 PM, Reid Draper <notifications@github.com> wrote:
> 
> In src/riak_kv_ensemble_backend.erl:
> 
> > @@ -19,7 +19,7 @@
> >  %% -------------------------------------------------------------------
> >  
> >  %% @doc
> > -%% Implementation of {@link riak_ensemble_backend} behavior that
> > +%% Implementation of {@link //riak_ensemble/riak_ensemble_backend} behavior that
> What's this //?
> 
> —
> Reply to this email directly or view it on GitHub.