First version of debian source directory

Still missing:
 debian/copyright
 debian/changelog ITP
 debian/init scripts
 debian/conffiles
Adding README.Debian
Adding copyright file
Make lintian happier

using short lines in extended description
Add sysconfdir in debian/rules

Used to populated /etc/kafka
kafka init script
We should depend on default-jre
Add gbp.conf to debian/
We also need to depend on scala library
Add scala-library, kafka jars to default classpath
Our own build system
Non-debian provided jars included
Adding new external dependency metrics
Added kafka post{inst,rm} files
zkclient dependency upgrade

We had to upgrade zkclient-0.1 to zkclient-20120522.
KafkaMigratool.java excepts scala-library

Adding it in the CLASSPATH
Build system allows setting version

Using a debian patch to have the build system to allow setting the
version and then using that in debian/rules to set the version to 0.8