DEVIDM-76: Some logging changes, fixes and improvements.
DEVIDM-76: Removed some stacktrace printing and trying remote user instead of remoteAddress.
DEVIDM-76: We should likely return UNAUTHENTICATED when second attempt fails.
DEVIDM-76: Some minor changes, set the final return value of the authenticator to the same value as the extened class final value.
Merge pull request #5 from tomma/DEVIDM-76

Devidm 76