add rsync to non-atomic vagrant box

It gets installed at box launch time anyway.  Save users the
annoyance of having to wait.  This is in line with the Atomic
Vagrant images as well, which contain rsync in the composed tree.

fedora-cloud-base-vagrant.ks

@@ -28,6 +28,10 @@ bootloader --timeout=1 --append="no_timer_check console=tty1 console=ttyS0,11520
 # layer for dnf
 # TODO: Teach vagrant about dnf
 dnf-yum
+# rsync gets installed when the Vagrant box is first launched on the
+# users setup. This can actually take a bit of time.  Just fold it
+# in to the base box disk image
+rsync
 %end
 
 %post --erroronfail