The DateTimeConverter class is necessary to convert PDS4-compliant date/time
strings into Solr-Compliant date/time Strings
The Solr DateField, which is necessary for performing time queries, is ISO
8601 standard-compliant format, while PDS4 uses a variable number of ASCII
date/time formats.
Utilizes XML configuration files to extract data from the Registry Service
and create XML files for each Product containing the raw data found in the
Registry.