README: merging the "RPM" and "Installation from RPM" sections
README: merging the "RPM" and "Installation from RPM" sections

mkrajnak/ovirt-web-ui,oVirt/ovirt-web-ui,oVirt/ovirt-web-ui,mareklibra/userportal,mareklibra/userportal,mkrajnak/ovirt-web-ui,matobet/userportal,mkrajnak/ovirt-web-ui,matobet/userportal,matobet/userportal,mareklibra/userportal,mareklibra/userportal,oVirt/ovirt-web-ui,matobet/userportal,mkrajnak/ovirt-web-ui