rebase to stable 5.2.2

Remove outdated items in .gitignore and sources.

Version: 5.2.2-1

.gitignore

@@ -1,2 +1 @@
-/xz-4.999.9beta.20100401git.tar.bz2
-/xz-5.2.1.tar.xz
+/xz-5.2.2.tar.xz

sources

@@ -1,2 +1 @@
-3aa7bbfaa2d5a87f65c23224b9016006  xz-4.999.9beta.20100401git.tar.bz2
-b5e2dd95dc8498cea5354377ed89aa65  xz-5.2.1.tar.xz
+e26772b69940085c0632589ab1d52e64  xz-5.2.2.tar.xz

xz.spec

@@ -3,8 +3,8 @@
 
 Summary:	LZMA compression utilities
 Name:		xz
-Version:	5.2.1
-Release:	3%{?dist}
+Version:	5.2.2
+Release:	1%{?dist}
 
 # Scripts xz{grep,diff,less,more} and symlinks (copied from gzip) are
 # GPLv2+, binaries are Public Domain (linked against LGPL getopt_long but its
@@ -144,6 +144,10 @@ LD_LIBRARY_PATH=$PWD/src/liblzma/.libs make check
 %{_mandir}/man1/*lz*
 
 %changelog
+* Tue Sep 29 2015 Pavel Raiskup <praiskup@redhat.com> - 5.2.2-1
+- rebase to stable 5.2.2 per release notes:
+  http://www.mail-archive.com/xz-devel@tukaani.org/msg00244.html
+
 * Thu Jul 09 2015 Pavel Raiskup <praiskup@redhat.com> - 5.2.1-3
 - remove xz-compat-libs as it is not necessary (#1179193)