* fix bogus date in %changelog
* add/extend %if conditions for %{rhel}
* disable wayland on rhel <= 7
* enable GSSAPI and add krb5-devel build dep
* don't add provides information for libs of this package
to prevent messing with packages depending on libs
provided by system freerdp packages
* man pages are only build/installed if WITH_MANPAGES is enabled
* create a new cmake function install_freerdp_man to unified install man
pages
* install all man pages using the new function
* update the nightly packages accordingly
* fix spelling errors
* move man page from section 1 to section 7
* fix the man page header to match the actual section
* adapt the packages for wlog.7
Fixes#3632
