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.
change 'course admin/manager' in db to 'group admin/manager' so users don't have to say 'course admin/manager' when specifying roles in a spreadsheet ('course' replaced by 'group').