Add flag images and CSS for flags
Merge remote branch 'ian/area-load-codes' into flags
Adding custom-made images
Show flags
MBS-7209: Treat WorldCat URLs as scheme dependent

Some WorldCat URLs work only over HTTP, not over HTTPS, so they should
not be treated as scheme independent.
Merge remote branch 'origin/beta' into flags
Stuff changed and the paths to the images needed updating
Add attribution for flag icons
Don't hide non-conflict errors in Edit::Generic::Edit
Guard better in Data::Release->update, remove unused line in Data::Recording
Merge remote-tracking branch 'chirlu/mbs-7209' into beta-no-release-editor

* chirlu/mbs-7209:
  MBS-7209: Treat WorldCat URLs as scheme dependent
Merge branch 'beta-no-release-editor' into beta

* beta-no-release-editor:
  Guard better in Data::Release->update, remove unused line in Data::Recording
  Don't hide non-conflict errors in Edit::Generic::Edit
  MBS-7209: Treat WorldCat URLs as scheme dependent
Merge remote-tracking branch 'nikki-bitbucket/flags' into beta

* nikki-bitbucket/flags:
  Add attribution for flag icons
  Stuff changed and the paths to the images needed updating
  Show flags
  Adding custom-made images
  Add flag images and CSS for flags
Optimize flag images.
MBS-6595: macro-ize flag class creation