Making one dea run the dea_logging_agent code and adding loggregator server

Signed-off-by: Glenn Oppegard <goppegard@pivotallabs.com>
Merge branch 'loggregator' of github.com:cloudfoundry/cf-release into loggregator
Merge pull request #141 from cloudfoundry/loggregator

Loggregator production push

@jfoley / @ryantang