Update copyright for 2015

Backpatch certain files through 9.0

src/backend/replication/logical/decode.c

@@ -16,7 +16,7 @@
  *		contents of records in here except turning them into a more usable
  *		format.
  *
- * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION

src/backend/replication/logical/logical.c

@@ -2,7 +2,7 @@
  * logical.c
  *	   PostgreSQL logical decoding coordination
  *
- * Copyright (c) 2012-2014, PostgreSQL Global Development Group
+ * Copyright (c) 2012-2015, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *	  src/backend/replication/logical/logical.c

src/backend/replication/logical/logicalfuncs.c

@@ -6,7 +6,7 @@
  *	   logical replication slots via SQL.
  *
  *
- * Copyright (c) 2012-2014, PostgreSQL Global Development Group
+ * Copyright (c) 2012-2015, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *	  src/backend/replication/logicalfuncs.c

src/backend/replication/logical/reorderbuffer.c

@@ -4,7 +4,7 @@
  *	  PostgreSQL logical replay/reorder buffer management
  *
  *
- * Copyright (c) 2012-2014, PostgreSQL Global Development Group
+ * Copyright (c) 2012-2015, PostgreSQL Global Development Group
  *
  *
  * IDENTIFICATION

src/backend/replication/logical/snapbuild.c

@@ -96,7 +96,7 @@
  * is a convenient point to initialize replication from, which is why we
  * export a snapshot at that point, which *can* be used to read normal data.
  *
- * Copyright (c) 2012-2014, PostgreSQL Global Development Group
+ * Copyright (c) 2012-2015, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *	  src/backend/replication/snapbuild.c