F #3380: add zeromq devel package to install gems (#3712)
F #3380: add zeromq devel package to install gems (#3712)

* Add zeromq devel package to install gems
* Error cond. checks in install_gems

atodorov-storpool/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,atodorov-storpool/one,atodorov-storpool/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,atodorov-storpool/one,atodorov-storpool/one,baby-gnu/one,atodorov-storpool/one,atodorov-storpool/one,baby-gnu/one,atodorov-storpool/one,baby-gnu/one,atodorov-storpool/one,OpenNebula/one,baby-gnu/one,OpenNebula/one,baby-gnu/one,OpenNebula/one