serialize the template JSON into domain obj

ready to create templates in the db, once additional fields are added to
the templateQuestion class
can actually save new template

updated mappings with cascade template->questions.  DateTime needs to be
set w/ UTC time.
display UTC time using ToLocalTime()

also added extension that converts to pacific time zone in case we need
it for some reason.
forced to pacific time, regardless of server time

since the server might be on azure running in a different time zone --
we can check how this affects clients