Moscow Exchange FAST test data

So I think that it is worth to provide with a way to verify libtrading
order books reconstruction mechanism.

As you may notice we have an ability to get FAST encoded data via
ordinary files. Luckily, I was able to get permission from the exchange
to distribute testing market data snippets saved in files.

* increment_a.dat, increment_b.dat
contain incremental messages for order book reconstruction.
Usually, exchanges provide two Incremental Streams (A and
B respectively) which duplicate each other. A kind of failover.

* snapshot.dat
a file containing snapshot messages.

* config.xml
Order books configuration file

* templates.xml
FAST template distributed by the exchange

To try it out:

  $ cd data/micex

And:

  $ ../../tools/fast/fast_orderbook -t templates.xml -c config.xml

Signed-off-by: Marat Stanichenko <mstanichenko@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>