Hadoop driver now acts as a directory server during cloud formation.
It collects the node info until everyone arrives and then generates
a flatfile on the fly and sends it to each of the nodes.

The manual flatfile stuff is gone.
Remove references to flatfile.
Remove references to flatfile.
Add loggerCreateWasCalled check to avoid log4j PropertyConfigurator
from being called in a recursive storm in the failure case.
Fixing new API weaving & docs
Merge remote-tracking branch 'origin/master'
Ignore constructors order in Request2