evolution security and bug fix update

atk 2.28.1-2 - Remove patch to fix invalid unref at atkgobjectaccessibleobjectgonecb - Resolves: 1753123 evolution 3.28.5-8 - Update patch for RH bug 1686408 CVE-2018-15587: Reposition signature bar 3.28.5-7 - Add patch for RH bug 1686408 CVE-2018-15587: Reposition signature bar 3.28.5-6 - Add...