Truncate event title, causes PG errors on insert
Basic multi-tenancy timezone support
Revert "Reintroduce subnav bar similar to calagator"

Updated navbar does not satisfy design requirements, reverting until
someone else can make a better attempt.

This reverts commit c2dab8dab63bd77e56503b3fce3848ad1d14ef90.
Switch web interface source-importer to use new importer backend