Add modular repos.

Remove failovermethod from EPEL8 tree. It is no longer needed.

Change gpg key to use -8 versus -$releasever. This fixes bash problem

Fix playground release to have os/ on its name [Kevin Fenzi]
Make sure all values of $release are $releasever

Use the correct var for dnf to expand
Update playground source url
Remove epel-modules repo
Use https in baseurl

Make sure that the key name is named correctly

Make baseurl paths match dl.fedoraproject.org
Add draft of epel8 packaging
Fix docs

Update for RHEL-8
Add playground repo data
Clean out 90-epel.preset to make sure we dont override RHEL-8 items. Just add items in which EPEL needs.

Add Conflicts on fedora-release to prevent people from installing on Fedora systems. Fixes bug #1497702

Change mirrorlist= in repo files to be metalink= (as thats what they are). Fixes bug #1451212

Add preset for drbdlinks package. Fixes bug #1405744

Drop duplicate libstoragemgmt from presets. Fixes bug #1358971

Drop initial-setup from presets. Fixes bug #1342511

Remove macros.epel; let epel-rpm-macros handle it instead.

fix typo in macros.epel

add systemd 90-epel.preset