mesa-jjk: upgrade to 10.1.4
pam-jjk: Fix couple of CVEs

Also minor tweaks in the PKGBUILD
harfbuzz-jjk: upgrade to 0.9.28
xmlrpc-c-jjk: upgrade to 1.38.02
php-jjk: upgrade to 5.5.13
nginx-jjk: various changes in service file

Related to https://bugs.archlinux.org/task/40322

- log errors to journal
- ise KillSignal and kill to resp. stop/restart nginx
- remove useless config sanity check