KRACOEUS-6954: repackages sys.auth & sys.kew, removing old logging code, moving utility classes

This pull request contains the following:

repackaged sys.auth & sys.kew
moved all spring managed beans to autowired
removed all cases of service locators where possible
removed all dependencies from sys to other modules
removed old logging utilities that were rarely used, replaced with commons logging
moved utility classes
moved "sensitive" filter code, "springified" the code

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