remove cache entry when altering username
"fix possible NPE from getClaimAttribute() method"
"swap equals comparison to avoid additional null check"
Merge branch 'release-4.3.0' of https://github.com/GayanM/carbon4-kernel into GayanM-release-4.3.0
Merge branch 'GayanM-release-4.3.0' into release-4.3.0