Add toolbelt with Info tool

The kraken-toolbelt jar will be a collection of tools easing working
with the files in our Hadoop cluster.

The first tool is Info, which dumps information about a sequence file
(compression, key class, value class, and so on).

Change-Id: I1a1808c6d1d9e810cc62b6ac245d224e5671e76f
Add Store tool to toolbelt

The Store tool stores data from stdin into a snappy block-compressed
sequence file.

Change-Id: I260aedc453a6e66aa93a087151f040b212bf196e