Complete help tips for SCP
Initial tip review

  * 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
Workup css for the help tips

    * Titles of other items in bold
    * Configuration options shown in italic
    * Mute the help tips when not focused