[glom/spread-table] (22 commits) ...Fix merge conflict

[Murray Cumming <murrayc src gnome org>]

Summary of changes:

  db89d26... Fix the build with the latest gtkmm. (*)
  5b91433... Tests: Fix a typo to fix make check. (*)
  c98f60a... Add NEWS entries from 1.16. (*)
  cf83da1... Fix typos in NEWS (*)
  62b76e1... Details: Let the combo drop-down be wide enough. (*)
  51668bb... Choices Combo: Fix a segfault. (*)
  6f255eb... Removed binaries added recently in error. (*)
  643d08c... Choices Combo: Fix a warning. (*)
  9777877... distcheck: Remove check for NEWS update. (*)
  b329a93... libglom: Change the ABI to 1.20, to avoid clashing with 1.1 (*)
  b9c6f81... libglom: Change the ABI to 1.20, to avoid clashing with 1.1 (*)
  79ac007... Updated Slovenian translation (*)
  37c35b3... Added sl for Slovenian translation (*)
  0dff1e0... Update Simplified Chinese translation. (*)
  e8b062c... Fix the build with latest gtkmm 2.91.2 (*)
  40f55b1... Updated French translation (*)
  16f9bd5... Updated Catalan (Valencian) translation (*)
  377bb9e... Add 1.6.1 NEWS (*)
  2c8c6d2... 1.19.1 (*)
  a9a7c8d... Mark 1.19.1 in the ChangeLog (*)
  1d2408e... Remove the gconfmm dependency, because we don't use it. (*)
  d3ddb66... Fix merge conflict

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