Add a configuration framework

It is necessary to store credentials outside the code, configuration options need to be explored, implemented and documented.

added component::archived/metrics bot owner::irl priority::very high resolution::fixed severity::critical status::closed type::defect labels

Trac:
Severity: Normal to Critical
Status: new to accepted

Now using the Commons Configuration library and storing configuration in an XML file.

Trac:
Status: accepted to closed
Resolution: N/A to fixed

closed

mentioned in issue #24041 (moved)

mentioned in issue tpo/network-health/team#105