Ticket numbers are now configurable as a system-default and by help topic.
Previously, an administrator could select between six-digit random and
sequential numbers. Now, the sequence is selectable so multiple sequences
as needed, and a format can be specified to define how the ticket numbers
look. Formats can also be defined for each help topic.

- 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