Make license year evergreen

Author: prayagverma

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2012-2015 Adobe Systems Incorporated. All rights reserved.
+Copyright (c) 2012 - present Adobe Systems Incorporated. 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"), 

src/htmlContent/about-dialog.html

@@ -13,7 +13,7 @@ <h2>{{APP_NAME_ABOUT_BOX}}</h2>
                   {{/BUILD_TIMESTAMP}}
                 </p>
 
-                <p class="dialog-message"><!-- $NON-NLS$ -->Copyright 2012 - 2015 Adobe Systems Incorporated and its licensors. All rights reserved.</p>
+                <p class="dialog-message"><!-- $NON-NLS$ -->Copyright 2012 - present Adobe Systems Incorporated and its licensors. All rights reserved.</p>
                 <p class="dialog-message">{{{Strings.ABOUT_TEXT_WEB_PLATFORM_DOCS}}}</p>
                 <p class="dialog-message">{{{Strings.ABOUT_TEXT_LINE3}}}</p>
                 <p class="dialog-message">{{{Strings.ABOUT_TEXT_LINE4}}}</p>