Merge pull request #1 from mwaineo/multinode

Yes
Add stop script.
Added dnsmasq.
Can now run MR jobs inside the container.
Changed bash call due to overwhelming feedback.
ssh should work better now.
Better hadoop daemon calls.
Merge branch 'multinode' of github.com:trucemop/dadoop into multinode
Add data0 to namenode dns.
Now adds the current host to dns based on the ip that was assigned.
Script should no longer care where you call it from.
Add serf.  Bring some common things into cdh3 image.
Serf will now manage the dns for newly added nodes.
startmulti.sh now accepts number of workers as its only argument.
Merge https://github.com/trucemop/dadoop