First cut of loggregator BOSH deployment

[#52006291, #52756359]

Signed-off-by: Mike Gehard <mgehard@pivotallabs.com>
Template changes for loggregator
loggregator bits in the blob store

Signed-off-by: Mike Gehard <mgehard@pivotallabs.com>
New location for deaagent archive
Rebase from master, run dealogging agent as vcap

Signed-off-by: Glenn Oppegard <goppegard@pivotallabs.com>