Added mapreduce-driver archetype
Squashed commit of the following:

commit 00e8f3a3ae83bd1d5e8091f06c291237206355ca
Author: Sean Kane <skane@cloudera.com>
Date:   Sun Oct 27 20:21:17 2013 -0400

    Created mapreduce archetype with mrunit tests

    Signed-off-by: Sean Kane <skane@cloudera.com>

commit b1682cde197f202f33a65a7275bbd4d0f9f0a4cf
Author: Sean Kane <skane@cloudera.com>
Date:   Sat Oct 26 21:08:37 2013 -0400

    Changed parent in sub-modules to point to parent.  They were pointing to 1.0.0 and should point to 1.0.

    Signed-off-by: Sean Kane <skane@cloudera.com>

commit 467c2f930eea71b65e54862ab95f808bf532f50b
Author: Sean Kane <skane@cloudera.com>
Date:   Sat Oct 26 20:54:46 2013 -0400

    Added intelij project files to gitignore

    Signed-off-by: Sean Kane <skane@cloudera.com>

Signed-off-by: Sean Kane <skane@cloudera.com>