Use correct name for HEP_OSlib RPM on EL7 (#196)
Use correct name for HEP_OSlib RPM on EL7 (#196)

* Set the HEP_OSlib RPM name for CentOS 7 accordingly to the RPM available in the WLCG repo
* Fix indentation errors
* Fix formatting issues
* Fix panlint issues
Pansanel/template-library-grid,Pansanel/template-library-grid,Pansanel/template-library-grid