[mailcommon] /: Merge remote-tracking branch 'origin/Applications/17.04'

[laurent Montel]

> > Because there is not necessary to create a null commit.
> > 
> > When we create a patch in branch we make a git merge.
> > 
> > So I don't understand why you did it...
> 
> Because sadly not everyone is as good as you and some people forget to merge
> to master when fixing a bug in Applications/*.

Ok I understand but for kdepim during these merges there was just one change 
which is the release version in CmakeLists.txt (toplevel). After fixing it as 
you must do it by hand, there is not other changes
=> so it was empty commit and it's not really useful.

Regards.

> 
> So we did a merge to catch those.
> 
> Cheers,
>   Albert