Update Fedora documentation links

README-el7.md

@@ -24,7 +24,7 @@ on CentOS7, CC7 and other el7 RedHat systems.
 RPM filenames for HEP_OSlibs on RedHat
 use the Name-Version-Package (NVR) format,
 as described by the [RPM packaging guide](http://rpm-guide.readthedocs.io/en/latest/rpm-guide.html#what-is-a-spec-file)
-and the [Fedora versioning guidelines](https://fedoraproject.org/wiki/Packaging:Versioning#Simple_versioning).
+and the [Fedora versioning guidelines](https://docs.fedoraproject.org/en-US/packaging-guidelines/Versioning).
 - On el7, the Name of the meta-package is HEP_OSlibs.
   There is no longer a suffix indicating the O/S as on el6,
   where the name of the meta-package was HEP_OSlibs_SL6.
@@ -32,14 +32,14 @@ and the [Fedora versioning guidelines](https://fedoraproject.org/wiki/Packaging:
   are reflected in changes of the "upstream" RPM Version
   (e.g. from 7.1.9 to 7.1.10).
 - The RPM Release is initially equal to 1%{?dist},
-  as recommended by the [Fedora versioning guidelines](https://fedoraproject.org/wiki/Packaging:Versioning#Simple_versioning);
+  as recommended by the [Fedora versioning guidelines](https://docs.fedoraproject.org/en-US/packaging-guidelines/Versioning);
   this value may then be incremented for new builds of the same Version.
     <br/>&nbsp; -
     Note that previous releases of the meta-package 
     built before the introduction of the gitlab-based workflow
     in October 2017 had an RPM Release equal to 0%{?dist}.
     <br/>&nbsp; -
-    The RPM ["%{?dist}"](https://fedoraproject.org/wiki/Packaging:DistTag) tag
+    The RPM ["%{?dist}"](https://docs.fedoraproject.org/en-US/packaging-guidelines/DistTag) tag
     is equal to ".el7.cern" on CC7, with a trailing ".cern"
     (as can be seen by `rpm -E "%{?dist}"`).