Add auto release module

- added auto release script
- modified minimum OS version requirement to 10.12
- renamed "NFD control Center" to "NDN Control Center"
- adapted auto upgrade xml for auto release
- updated docs

Change-Id: I41024e4f4ac27d2be3c248801e210f87c56a99b7
diff --git a/.waf-tools/osx-frameworks.py b/.waf-tools/osx-frameworks.py
index 9936778..6a473c0 100644
--- a/.waf-tools/osx-frameworks.py
+++ b/.waf-tools/osx-frameworks.py
@@ -45,7 +45,7 @@
                     # Download to local path and retry
                     Logs.info ("Sparkle framework not found, trying to download it to 'build/'")
 
-                    urllib.urlretrieve ("https://github.com/sparkle-project/Sparkle/releases/download/1.16.0/Sparkle-1.16.0.tar.bz2", "build/Sparkle.tar.bz2")
+                    urllib.urlretrieve ("https://github.com/sparkle-project/Sparkle/releases/download/1.17.0/Sparkle-1.17.0.tar.bz2", "build/Sparkle.tar.bz2")
                     if os.path.exists('build/Sparkle.tar.bz2'):
                         try:
                             subprocess.check_call(['mkdir', 'build/Sparkle'])