TRACE log when URL already canonical.
Add  toString() to ServerNameGuestChainingProfileMapper .
Add toString() to ChainingProfileMapperImpl .
Add logging to SessionAttributeProfileMapperImpl.
Add LoginController DEBUG logging of its redirect.
Convert LogoutController redirect intent source comment to log message.
Convert source comment to log statement.
Convert source comment to log statement.
Log at trace when Filter does nothing uPortal-custom.
Add logging in uPortal Spring Security plugin.
Change ServerNameGuestChainingProfileMapper toString() to use ToStringBuilder.
Change SessionAttributeProfileMapperImpl toString() to use ToStringBuilder().
Merge pull request #437 from apetro/UP-4265

UP-4265 Improve logging around profile selection.