autoupdate: add Sparkle framework
This commits brings optionnal linking against Sparkle framework.
This framework is used to autoupdate apps not present in the Mac app store
Refs #75349
Change-Id: I82b14757c106f1282d91e631927057d00989feb7
diff --git a/sparkle/LICENSE b/sparkle/LICENSE
new file mode 100644
index 0000000..f4020f8
--- /dev/null
+++ b/sparkle/LICENSE
@@ -0,0 +1,60 @@
+Copyright (c) 2006-2013 Andy Matuschak.
+Copyright (c) 2009-2013 Elgato Systems GmbH.
+Copyright (c) 2011-2014 Kornel Lesiński.
+Copyright (c) 2014 C.W. Betts.
+Copyright (c) 2014 Petroules Corporation.
+Copyright (c) 2014 Big Nerd Ranch.
+All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+=================
+EXTERNAL LICENSES
+=================
+
+bspatch.c and bsdiff.c, from bsdiff 4.3 <http://www.daemonology.net/bsdiff/>:
+ Copyright (c) 2003-2005 Colin Percival.
+
+sais.c and sais.c, from sais-lite (2010/08/07) <https://sites.google.com/site/yuta256/sais>:
+ Copyright (c) 2008-2010 Yuta Mori.
+
+SUDSAVerifier.m:
+ Copyright (c) 2011 Mark Hamlin.
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted providing that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.