This adds pinentry-gnome3, which provides a better pinentry for those using Gnome 3. Also, this updates the descriptions for some pinentry packages, and adds it to the propagated-inputs of the gnome package.
[PATCH 1/3] gnu: gnupg: Remove gpg2 from pinentry description [PATCH 2/3] gnu: Add pinentry-gnome3. [PATCH 3/3] gnu: gnome: Add pinentry-gnome3 to gnome
