added support for IP blacklist
added support for IP black list - can be specified in ubConfig.security.blackListFileName
(default is %UB_APPDATA%blackListIP.txt
).
If user provide a valid credential for auth
method but tries to log in from dangerous IP (for example - from shared hosting etc.)
such attempts will be denied, user got "Invalid username or password" error, and uba_audit
entry with SECURITY_VIOLATION
will be added