backport several upstream patches

fix source url

Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild

Rebuilt for Python 3.7

remove bogus requiremnt of libgnome-keyring - it uses libsecret since 1.5.10

gcc is no longer in buildroot by default

remove old patches, already in upstream

upstream merge request #93 - fix constructing file dialog

Escape macros in %changelog

remove old stuff

s-c-p gives warnings "Fail to load module" on server - add Requires: for them

removal of systemd-units

1.5.11

1484681 - s-c-p fails to build with automake 1.15.1 - regenerate aclocal.m4

Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild