LDEV-1261 improve import user speed by running in separate thread (bypass hibernate filter), and update browser with progress every 5 seconds so it doesn't timeout.
login_page_path shouldn't be static final if it includes 'Configuration.get(EARDir)', since a sysadmin may need to change value of EARDir; show error if can't write to login.jsp based on path in EARDir
LDEV-1098: Increased size of locale_id field so that it will take more than 127 rows in the database. Matching java field is now an Integer, not a Byte.