Remove dev flag from travis npm install
Add moment-timezone to package.json
Set redirect server default to false
Remove duplicate travis npm install
Fix timezone handling. Store dates in UTC.

Moment-timezone note: only use the constructor ``moment.tz(date, zone)``
for datestrings that lack timezone info.  For dates with timezone info,
use ``moment(date).tz(zone)``.
Add UTC to zone list
Eliminate test db lookups which depend on ordering

Change all DB lookups which use ".at(0)" or similar, which expect
collection ordering, to calls that are ordering-independent, to ensure
that tests function on different OSes/installs.
Fix tests for email

Check outbox on next tick, so that email has had a chance to arrive.
Change default conf to not include empty auth attributes.
Fix hangout origin regex for tests