Bump the copyright date for files recently modified

README

@@ -309,7 +309,7 @@ The Off-the-Record Messaging library (in the src directory) is
 covered by the following (LGPL) license:
 
     Off-the-Record Messaging library
-    Copyright (C) 2004-2014  Ian Goldberg, David Goulet, Rob Smits,
+    Copyright (C) 2004-2016  Ian Goldberg, David Goulet, Rob Smits,
                              Chris Alexander, Willy Lew, Lisa Du,
 			     Nikita Borisov
 			     <otr@cypherpunks.ca>

src/instag.c

 /*
  *  Off-the-Record Messaging library
- *  Copyright (C) 2004-2012  Ian Goldberg, Rob Smits, Chris Alexander,
+ *  Copyright (C) 2004-2015  Ian Goldberg, Rob Smits, Chris Alexander,
  *  			      Willy Lew, Lisa Du, Nikita Borisov
  *                           <otr@cypherpunks.ca>
  *

src/message.c

 /*
  *  Off-the-Record Messaging library
- *  Copyright (C) 2004-2014  Ian Goldberg, David Goulet, Rob Smits,
+ *  Copyright (C) 2004-2015  Ian Goldberg, David Goulet, Rob Smits,
  *                           Chris Alexander, Willy Lew, Lisa Du,
  *                           Nikita Borisov
  *                           <otr@cypherpunks.ca>

src/proto.c

 /*
  *  Off-the-Record Messaging library
- *  Copyright (C) 2004-2014  Ian Goldberg, David Goulet, Rob Smits,
+ *  Copyright (C) 2004-2016  Ian Goldberg, David Goulet, Rob Smits,
  *                           Chris Alexander, Willy Lew, Lisa Du,
  *                           Nikita Borisov
  *                           <otr@cypherpunks.ca>

src/version.h

 /*
  *  Off-the-Record Messaging library
- *  Copyright (C) 2004-2014  Ian Goldberg, David Goulet, Rob Smits,
+ *  Copyright (C) 2004-2016  Ian Goldberg, David Goulet, Rob Smits,
  *                           Chris Alexander, Willy Lew, Lisa Du,
  *                           Nikita Borisov
  *                           <otr@cypherpunks.ca>