ppp: Update to 2.4.6.

This is a minor update to the latest stable version.

Rebase complete patchset.

Fixes #10517.
libnetfilter_conntrack: Update to 1.0.4.
libnetfilter_queue: Update to 1.0.2.

New build dependency: libmnl-devel.
mc: Update to 4.8.12.
lighttpd: Update to 1.4.35.
libhtp: Update to 0.5.10.

This is a build dependency of suricata 2.0.
suricata: Update to 2.0.

This is a major update to the latest stable version.
ulogd2: Update to 2.0.4.
htop: Update to 1.0.3.

Add mirror for source download.
lcms2: New package.

This is a build dependency of ghostscript.
ghostscript: Update to 9.14.
dosfstools: Update to 3.0.26.
lm-sensors: Update to 3.3.5.
Merge remote-tracking branch 'stevee/updates'
Merge remote-tracking branch 'stevee/ppp-update'