Allows the user to specify an alternate host to pull time series
data from via the URL. This is mostly useful for using the data
web service to test different verified data sources. It is not
really a "public" feature, and we might consider how to restrict
its deployment to non-public servers only.

changed the ports from 22061 back to 2061 except for the defined port in MiniSeedFactory.py which is set to 7974 on line 28

update get_data's usage of get_data_factory