[OpenLP/f16] (4 commits) ...Release 1.9.7

[Tim Bentley]

Summary of changes:

  980783a... Release 1.9.7 (*)
  09cce74... Release 1.9.7 (*)
  daf1ef6... Release 1.9.7 (*)
  51fe7a5... Release 1.9.7 (*)

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