lorax: Don't delete os-release directories

Doing so prevents the install .iso from booting. First identified under
https://bugzilla.redhat.com/show_bug.cgi?id=1191713 and a second fix
was put in at c0b1063397
(this patch includes both changes).

lorax/0002_backport_os_release_deletion_fix.patch

@@ -0,0 +1,13 @@
+diff -ur lorax-22.1/share/runtime-cleanup.tmpl lorax-22.1-patch/share/runtime-cleanup.tmpl
+--- lorax-22.1/share/runtime-cleanup.tmpl	2014-12-13 11:20:56.000000000 +1300
++++ lorax-22.1-patch/share/runtime-cleanup.tmpl	2016-03-27 04:21:37.534000000 +1300
+@@ -27,7 +27,8 @@
+ ## we don't run SELinux (not in enforcing, anyway)
+ removepkg checkpolicy selinux-policy libselinux-utils
+ ## anaconda has its own repo files
+-removefrom fedora-release --allbut /etc/os-release
++removefrom fedora-release --allbut /etc/os-release /usr/lib/os-release \
++                                   /usr/lib/os.release.d/*
+ removepkg fedora-release-rawhide
+ ## no user accounts = no account management
+ removepkg usermode usermode-gtk passwd shadow-utils

lorax/lorax.spec

@@ -17,6 +17,7 @@ License:        GPLv2+
 URL:            http://git.fedorahosted.org/git/?p=lorax.git
 Source0:        https://fedorahosted.org/releases/l/o/%{name}/%{name}-%{version}.tar.gz
 Patch0:		0001_pass_kernel_version_as_an_arg.patch
+Patch1:		0002_backport_os_release_deletion_fix.patch
 BuildRequires:  python2-devel
 
 Requires:       GConf2
@@ -86,6 +87,7 @@ Anaconda's image install feature.
 %setup -q
 
 %patch0 -p1
+%patch1 -p1
 %build
 
 %install