PAPR: migrate to the new name

The redhat-ci service has been renamed to PAPR. Previous values are
still supported though should be considered deprecated.

Closes: #885
Approved by: cgwalters

.papr.Dockerfile

@@ -0,0 +1,27 @@
+FROM fedora:25
+
+RUN dnf install -y \
+        gcc \
+        git \
+        sudo \
+        which \
+        attr \
+        fuse \
+        gjs \
+        parallel \
+        coccinelle \
+        clang \
+        libubsan \
+        libasan \
+        libtsan \
+        PyYAML \
+        gnome-desktop-testing \
+        redhat-rpm-config \
+        elfutils \
+        'dnf-command(builddep)' \
+ && dnf builddep -y \
+        ostree \
+ && dnf clean all
+
+# create an unprivileged user for testing
+RUN adduser testuser