Add upstream patches:
- Fix moc parsing correctly glibc 2.25+ system headers
- 0001-Fix-exclusion-of-anonymous-ciphers.patch -- Exclude more ciphers from being used by default
- fix-medium-font.diff -- fix bolder fonts in qt4 apps [QTBUG#27301]
- fix_assistant_segfault_QTBUG-25324.patch [QTBUG#25324]
