Small update with ndn script

Change-Id: I67bbeb0e919715f9de293f4eb08a61810053cae2
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 6ef9a37..d2b0a45 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,9 +1,11 @@
 Release Notes
 =============
 
-## Version 0.2.2
+## Version 0.2.3
 
-Changes since version 0.2.1:
+- Correct names of tray menu items
+
+## Version 0.2.2
 
 - Rename to `NDN Control Center`
 
@@ -18,14 +20,10 @@
 
 ## Version 0.2.1
 
-Changes since version 0.2.0:
-
 - Fix interpreter path for the bundled shell-based tools
 
 ## Version 0.2.0
 
-Changes since version 0.1.0:
-
 - Bundled components
 
     * [NFD version 0.5.1](http://named-data.net/doc/NFD/0.5.1/RELEASE_NOTES.html)
diff --git a/ndn-control-center.xml b/ndn-control-center.xml
index 1f673e1..2436d76 100644
--- a/ndn-control-center.xml
+++ b/ndn-control-center.xml
@@ -28,5 +28,11 @@
 <ns0:minimumSystemVersion>10.12.0</ns0:minimumSystemVersion>
 <enclosure length="27660612" type="application/octet-stream" url="https://named-data.net/binaries/NDN-Control-Center/NDN-0.2.2.dmg" ns0:dsaSignature="MCwCFF3kJFwME5pngleyBK07TSw6GTDsAhRI2V9KhWpSp0uXussHjGhNHUZihg==" ns0:shortVersionString="0.2.2" ns0:version="0.2.2" />
 <ns0:releaseNotesLink>https://named-data.net/binaries/NDN-Control-Center/release-notes-0.2.2.html</ns0:releaseNotesLink></item>
+<item>
+<title>Version 0.2.3 (ndn-cxx version 0.5.1-34-g1709aa7, NFD version 0.5.1-38-gd396b61, ndn-tools version 0.4)</title>
+<pubDate>Fri, 17 Mar 2017 15:20:23 -0700</pubDate>
+<ns0:minimumSystemVersion>10.12.0</ns0:minimumSystemVersion>
+<enclosure length="27659751" type="application/octet-stream" url="https://named-data.net/binaries/NDN-Control-Center/NDN-0.2.3.dmg" ns0:dsaSignature="MC4CFQCLben2hhIZr01C9qo84yBs9fQaWwIVAJ0Amf0kXPDHqxD/Ce5AC1awzpgZ" ns0:shortVersionString="0.2.3" ns0:version="0.2.3" />
+<ns0:releaseNotesLink>https://named-data.net/binaries/NDN-Control-Center/release-notes-0.2.3.html</ns0:releaseNotesLink></item>
 </channel>
 </rss>
\ No newline at end of file
diff --git a/res/ndn b/res/ndn
index 3cdef2e..99bdc07 100755
--- a/res/ndn
+++ b/res/ndn
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-if [[ $# -eq 0 ]] ; then
-    echo ERROR: No command specified
+if [[ $# -eq 0 ]] || [[ ! -f /Applications/NDN.app/Contents/Platform/"$@" ]] ; then
+    echo ERROR: No command or invalid command is specified
     echo
     echo Available commands:
     for command in $(ls /Applications/NDN.app/Contents/Platform/ 2>/dev/null); do
diff --git a/src/tray-menu.cpp b/src/tray-menu.cpp
index d8028df..3a6d76c 100644
--- a/src/tray-menu.cpp
+++ b/src/tray-menu.cpp
@@ -69,7 +69,7 @@
   , m_acProc(nullptr)
   , m_settings(new QSettings())
 #ifdef OSX_BUILD
-  , m_entryEnableCli(new QAction("Enable Command Terminal Usage...", m_menu))
+  , m_entryEnableCli(new QAction("Install command-line tools...", m_menu))
   , m_checkForUpdates(new QAction("Check for updates", m_menu))
   , m_sparkle(NCC_APPCAST)
 #endif
diff --git a/wscript b/wscript
index ddf3778..33f7684 100644
--- a/wscript
+++ b/wscript
@@ -1,5 +1,5 @@
 # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
-VERSION='0.2.2'
+VERSION='0.2.3'
 APPNAME='ndn-control-center'
 APPCAST='https://named-data.net/binaries/NDN-Control-Center/ndn-control-center.xml'