bugfix: Google Analytics HTTP referrer

Bug introduced in 8ba41e5ba96f1be7dcfa6792e1abecfadc364ee4
bugfix: browse logging
accommodate EAD that only has a 'Former Reference' unitid
consistent naming of componentStore files
catch empty identifiers when loading components
finer grained log files (1 file per day)
encode queries to utf-8 when logging
enable separate indexing of descriptions/components
add classes to tables used in record display
commit only modified indexes
format config files (tab to spaces))