IMPLEMENTING - issue GDP-598: RFC Real Time Archive Builder 
https://internal.cida.usgs.gov/jira/browse/GDP-598

More tests.
IMPLEMENTING - issue GDP-598: RFC Real Time Archive Builder 
https://internal.cida.usgs.gov/jira/browse/GDP-598

Futzing with graceful termination.
IMPLEMENTING - issue GDP-598: RFC Real Time Archive Builder 
https://internal.cida.usgs.gov/jira/browse/GDP-598

First draft of a Main.