[packages/qesteidutil] (9 commits) ...Merge branch 'dev-3.12'

[glen]

Summary of changes:

  7dca176... up to 3.12.10; qt5 only (*)
  ad1b60e... BREAKPAD option is URL for breakpad crash reporting, empty  (*)
  2af9cd2... disable breakpad, does not compile (*)
  97989b1... update BR (cleanbuild) (*)
  3113adc... fix QtSingleApplication link with qt5 (*)
  61b7e01... update files (*)
  6425e8c... validate appdata.xml (*)
  417a77a... fix building with qt 5.11 (*)
  efc1c53... Merge branch 'dev-3.12'

(*) This commit already existed in another branch; no separate mail sent