livemedia-creator: Set the product and release version env variables (#1067746)

When doing an image install there is no .buildstamp file to pull the
information from so use the cmdline variables (or their defaults) and
pass them to anaconda in the environment.

Resolves: rhbz#1067746

src/sbin/livemedia-creator

@@ -581,6 +581,9 @@ def novirt_install(opts, disk_img, disk_size, repo_url):
         # Create the sparse image
         mksparse(disk_img, disk_size * 1024**3)
 
+    # Make sure anaconda has the right product and release
+    os.environ["ANACONDA_PRODUCTNAME"] = opts.project
+    os.environ["ANACONDA_PRODUCTVERSION"] = opts.releasever
     rc = execWithRedirect("anaconda", args)
 
     # Move the anaconda logs over to a log directory