updated for b4b
fixes overlap of checkbox label
gets QR Code scanning working again
shows toast message on failed login due to bad pwd
fixes problem with SASL auth mechanisms

If you were trying to access an @Gmail account using
PLAIN auth over TLS (instead of OAuth2) it wouldn't work
handles a case where settings map can be null
Merge branch 'v11-beta-bug-fixes' of https://github.com/n8fr8/Gibberbot into n8fr8-v11-beta-bug-fixes

Conflicts:
	AndroidManifest.xml