Fixed bug: ChoiceAuth fails if password confirmation wrong.
- This commit addresses a limitation in the original solution to VUFIND-1011.
- A new validateCredentials() method has been added to differentiate password checks from login attempts.
Convert htmlentities in OCR to prevent tags from accidentally forming.
Merge branch 'release-2.3'
Merge pull request #220 from vufind-org/validate_credentials

Fixed bug: ChoiceAuth fails if password confirmation wrong.
Merge branch 'master' into searchtools