- The name table is in PartitionActions::Choices

 - avoid useless ../
 - sort alphabetically and by kind

 - Across all the C++ modules, use Logger::SubEntry for sub/continues
   log lines, instead of somewhat-random indent strings.

 - Use Logger::SubEntry instead of various indents
 - Improve wording of message

 - The "set up" message only uses one argument.

 - Use the un-paren'ed Continuation and SubEntry

 - Instead of Continuation(), write just Continuation
 - All that futzing with overloads and tag-classes isn't needed
   since the whole point is to output some constant string. Leave
   cleverness for later, if it's needed.

 - tests need the defines as well
 - scandevices API changed with API 3.3.1

 - Need older-style scanning, but new-style iteration

 - KDE neon ships a post-3.3.0 KPMCore, with deprecations, but not yet
   the KPMCore 4 API, so add another API-version check to handle the
   deprecations. Keeps warnings down.

 - Using KPMCORE4API is clearer than just relying on a version number

 - There will be a 3.3.1 which still has the "old" API,
   so look at 3.3.80 (pre-4.0) instead. Make the way
   compile flags are passed consistent.

[partition] Fixing LVM scanning according to new kpmcore API

 - Make sure the class knows its own suffixes

 - replace = 0 with = nullptr to reduce warnings; not a meaningful
   or copyrightable change.