Revert back to development version of .gemspec file. (#929)
Revert back to development version of .gemspec file. (#929)

This reverts commit 34a0def7d1d369a692ea5a431e127061403f6ec6, because it
seems to be completely accidental change, when the file was overridden by
Bundler or so.
pradels/vagrant-libvirt,pradels/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt,electrofelix/vagrant-libvirt,electrofelix/vagrant-libvirt,electrofelix/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt