[merge] show .bzr.log location in version output

[Ian Clatworthy]

Martin Pool wrote:
> mbp at grace% ./bzr --version
> Bazaar (bzr) 0.18.0dev0
>  from bzr checkout /home/mbp/bzr/trivial
>    revision: 2567
>    revid: mbp at sourcefrog.net-20070702044841-bhqv1470tepruga0
>    branch nick: trivial
> Using python interpreter: /usr/bin/python
> Using python standard library: /usr/lib/python2.5
> Using bzrlib: /home/mbp/bzr/trivial/bzrlib
> Using bazaar configuration: /home/mbp/.bazaar
> Logging to: /home/mbp/.bzr.log
> ^^^^^^^^^^^^^^^^^^^^^

Along the lines of Robert's suggestion, I'd prefer this:

...
Using log file: /home/mbp/.bzr.log


> On unix it's easy to do 'less ~/.bzr.log', but many people who need
> debugging help on windows first need to dig around to find the log
> file, and this will save some hassle.

Agreed.

> +    * ``bzrtracefilename --version`` now shows the location of the bzr log file, which
> +      is especially useful on Windows.  (Martin Pool)

Is bzrtracefilename meant to be one word?