remove useSasl; added ub-pub isNodeJS; base64FromAny works inside nodeJS

• SyncConnection - removed obsolete useSasl LDAP auth parameter handling (parameter not used anymore)
• ub-pub: added UB.isNodeJS property
• ub-pub: AsyncConnection - removed obsolete useSasl LDAP auth parameter handling (parameter not used anymore)
• ub-pub: UB.base64FromAny now works inside Node.js