The user should not have to step over it

- 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.

  * Drop _table_ titles
  * Drop _button_ titles and contents
  * Fixup titles to remove leading and trailing underscores in titles
  * Remove duplicated namespaces for ticket queue pages
  * Whitespace cleanup

Add client registration methods and login required checkbox

  * Administrator can disable the new activity alert
  * Administrator can disable automatic collaborators from email headers

And install initial data in target language. Also configure help tip
popovers to be in the configured, default system language.

Overhaul the popup tips from the installer to make them translatable and
work toward popovers for all the admin and staff panel settings.