release: prepare 0.7.11
redhat: use appropriate macros for directory
redhat: reference /etc/lldpd.d/README.conf

We consider this is a configuration file event if it isn't.
redhat: everything in /etc/lldpd.d is a configuration file
redhat: add completions for bash and zsh
redhat: fix RPM building on SuSE with respect to /usr/share/zsh

An empty directory have to be referenced.
redhat: provide a longer description for devel package
redhat: fix group tag

Dunno if they are correct for Redhat, but they are correct for SuSE.
redhat: mark /var/run stuff as a ghost directory