Add a copy of 500.html that matches our template blocks

The builtin `pinax_theme_bootstrap` uses `body` instead of `content`.

Make vendored symposion into an installable Python package

This allows us to install with `pip install "-e vendor/symposion"` similar to
the other vendored packages. There's no good reason for this to be different to
the others and depend on PYTHONPATH hacking.

Re-add

Switch vendored requirements to "editable" to simplify development

This will allow us to remove the `sys.path` hacking in pinaxcon/settings.py.

Remove speaker photo for now

Causing errors that we don't have time to debug.

Remove use of directory under /run

Seems to get remove after reboot.

Allow primary topic to be null

We hide this field.

Add additional account app templates

This works around use block "body" when we need block "content".

Switch default country to US, currency to USD, tax to zero

Also default linux_australia to field to false to avoid IntegrityError.

Update checkin details

Add flags for sections on the checkin page so they can be switched
on and off as required.
Display the number of raffle tickets purchased by the attendees.

Update checking camera switcher

Fix camera selection using correct ID value.
Adjust column layout for mobile devices.

Add camera selector to checkin page

Allow the camera to be selected so tablets can use the
rear camera as well as the front camera.

Update checkin page

Display penguin dinner tickets.
Hide Venueless information panel.

Update attendee profile

Remove reference to Open Hardware kit as this is not happening in 2023.
Set lca_announce field to default of False given field is hidden.

Update build pipeline and container registry

Use GitLab container registry instead of GCP registry as per other branches.

Update build for LA k8s

Publish container to GitLab container registry.
Update settings to allow for deployment onto LA k8s.

Fix build with incompatible packages

Do not install package dependencies as all listed versions are known to work.

Include speaker user name in schedule JSON

When a user has permission to see contact details, expose the speaker's
username in the author object, for integration between systems.

Add ticket type to venueless traits

Allow permissions to be setup in venueless based on the ticket type
in addition to existing specific traits.

Add code to speaker

Add unique identifier (code) to speakers within schedule JSON API
to allow speakers to be identified throughout the schedule.

Attendee profile updates

Adjust wording of address line. Set LCA Chat to false by default.

Use Sydney timezone to fix ics consumption

Some calendar programs cannot understand Australia/Canberra, even though it should be a link to Sydney.
Change to Australia/Sydney explicitly to avoid issues in clients.

Adjust boarding pass template migration

Change subject length in initial migration
to ensure it is in place prior to the default template being created.

Fix boarding pass template

Extend length of boarding pass template subject to accommodate new default.

LCA2022 Setup

Update dates and descriptions for LCA2022.
Remove old miniconf proposal types.
Add local timezone to speaker profile.

Improve printed schedule

Show each day on a new page when printed.
Hide elements that do not assist with printed copy (current time, etc).

Embedded schedule view

Allow the schedule to be embedded in external platforms.
Hide header and footer when embedded for easier consumption.

Fix venueless token creation

Do not generate token or checkin if user does not have a ticket.
Clear existing token if user no longer has a ticket.

Fix dashboard for non registered users

Do not show launch conference section if user has not purchased a ticket.

Localise schedule times

Show local times on schedule and presentation details
if user is in a different timezone to the conference.