Update copyright dates in OS X installer.

diff --cc Mac/PythonLauncher/Info.plist.in
index 0e60e07563c6db02468998874f40f8f5423787fa,42846eaafcab4076e67136c544a294b7df6b6bbf..b4ade1dd233afca7feafa36e5bf4aba53484dc19
--- 1/Mac/PythonLauncher/Info.plist.in
--- 2/Mac/PythonLauncher/Info.plist.in
+++ b/Mac/PythonLauncher/Info.plist.in
@@@ -38,9 -38,9 +38,9 @@@
                </dict>
        </array>
        <key>CFBundleExecutable</key>
 -      <string>PythonLauncher</string>
 +      <string>Python Launcher</string>
        <key>CFBundleGetInfoString</key>
-       <string>%VERSION%, © 2001-2014 Python Software Foundation</string>
+       <string>%VERSION%, © 2001-2015 Python Software Foundation</string>
        <key>CFBundleIconFile</key>
        <string>PythonLauncher.icns</string>
        <key>CFBundleIdentifier</key>