[Rpm-maint] [rpm-software-management/rpm] Fix rpmVerifySignatures() passing garbage as verify flags in rpm >= 4.14 (#747)

Commit a239ddefa90575ce80ed4436beb4005a97e32644 changed rpmpkgVerifySigs() to accept fine-grained vsflags instead of query/verify style nosignature/nodigest hammers, but rpmVerifySignatures() didn't get updated accordingly. This will cause most unexpect behavior (in particular in 4.14.x), for

[Rpm-maint] [rpm-software-management/rpm] Support triple operator for conditional shortcut (#115) (#746)

%{? { macro_name } : true : false } %{? { macro_name } : true } %{?! { macro_name } : false : true } %{?! { macro_name } : false } More detailed description of the notation: * Between the first chars "%{?" resp. "%{!?" or "%{?! there can not be a