Resolve deprecated warnings regarding settings/configuration.

[kaladay]

This can be reproduced by viewing the logs after accessing the TCP end point of a running cantaloupe server.

Example:

Upgrade warnings from the console log in the POD:
  15:12:20.530 [qtp1641415002-27] WARN  o.a.v.deprecation - configuration key 'resource.loader' has been deprecated in favor of 'resource.loaders'
  15:12:20.531 [qtp1641415002-27] WARN  o.a.v.deprecation - configuration key 'classpath.resource.loader.class' has been deprecated in favor of 'resource.loader.classpath.class'
  15:12:20.531 [qtp1641415002-27] WARN  o.a.v.deprecation - configuration key 'class.resource.loader.cache' has been deprecated in favor of 'resource.loader.class.cache'
  2024-10-07T15:12:20.531585097Z 15:12:20.531 [qtp1641415002-27] WARN  o.a.v.deprecation - configuration key 'space.gobbling' has been deprecated in favor of 'parser.space_gobbling'