Add ability to disable canned responses
Fix team drop down selection
Remove priority escalation setting in SLA page (implementation is on todo
        list)

Consider closed date to determine ticket's last activity date. The net effect is closed tickets queue will be sorted by closed date.

Departments without email will use the system default email as the default
outgoing email.

The setting is useful in making sure the staff members with access to the
department can get alerts and available as possible assignees.

Add department setting to limit ticket assignment within department to
department members only. This is necessary for departments with strict
policy on who can access tickets.

The setting doesn't limit team assignment or auto-assignment via help topics
and ticket filters.

Provide quick prints options that bypasses the print dialog modal

- Change the table header from `Email Templates` to
  `Email Template Sets`
- Change `Add New Template` to `Add New Template Set`

This removes any possible confusion for new users. Instead of
thinking that they have one template because it displays one
template set, the new verbage will clarify that the table
at templates.php is a list of their template sets.

Link to org & user landing pages & kill pjax on internal pages

We're sticking with user for now until 2.0

On validation errors, `$faq` will be set to something non-null, like
`false`, but will not be an instance of a Faq article.

- Add tips for fields that were previously overlooked.
- Fix some typos.
- Update tips to adopt the formatting conventions of tips.

- Proofread large portion of help tips.
- Implement help tip links in YAML files.
- Fix GUI spacing of some elements.
- Add <label> tags to a few form elements.

Provide quick prints options that bypasses the print dialog modal