[PLUGIN] Lesslog -> run bzr log through less automatically

[Gergely Nagy]

> I'm a lazy arse, so typing "bzr log | less" is just too much for me. Hence the
> "lesslog" plugin I just wrote, alias "ll" which does the less part for you.

I've been using a shell alias for this kind of thing, except, I like
most more than less.
So I modified your plugin a bit, to pipe log through $PAGER, if it is
set, and fall back
to less if it is not.

My branch can be found at http://bonehunter.rulez.org/~algernon/bzr/lesslog

Cheers,
--
Gergely Nagy