Update copyrights
diff --git a/include/grpc/impl/codegen/alloc.h b/include/grpc/impl/codegen/alloc.h
index 2351354..683c755 100644
--- a/include/grpc/impl/codegen/alloc.h
+++ b/include/grpc/impl/codegen/alloc.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm.h b/include/grpc/impl/codegen/atm.h
index 35b9750..5376026 100644
--- a/include/grpc/impl/codegen/atm.h
+++ b/include/grpc/impl/codegen/atm.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_gcc_atomic.h b/include/grpc/impl/codegen/atm_gcc_atomic.h
index 196d2ae..8caf7ed 100644
--- a/include/grpc/impl/codegen/atm_gcc_atomic.h
+++ b/include/grpc/impl/codegen/atm_gcc_atomic.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_gcc_sync.h b/include/grpc/impl/codegen/atm_gcc_sync.h
index 56f7559..915b09f 100644
--- a/include/grpc/impl/codegen/atm_gcc_sync.h
+++ b/include/grpc/impl/codegen/atm_gcc_sync.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/atm_win32.h b/include/grpc/impl/codegen/atm_win32.h
index 9d26462..7c1ccaf 100644
--- a/include/grpc/impl/codegen/atm_win32.h
+++ b/include/grpc/impl/codegen/atm_win32.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/byte_buffer.h b/include/grpc/impl/codegen/byte_buffer.h
index 9e96d4b..3ae8ac5 100644
--- a/include/grpc/impl/codegen/byte_buffer.h
+++ b/include/grpc/impl/codegen/byte_buffer.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index b11f6ff..ab2d235 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/log.h b/include/grpc/impl/codegen/log.h
index afd8c5d..0853350 100644
--- a/include/grpc/impl/codegen/log.h
+++ b/include/grpc/impl/codegen/log.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/port_platform.h b/include/grpc/impl/codegen/port_platform.h
index 607511e..3242f07 100644
--- a/include/grpc/impl/codegen/port_platform.h
+++ b/include/grpc/impl/codegen/port_platform.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/slice.h b/include/grpc/impl/codegen/slice.h
index 03c59e7..c684b75 100644
--- a/include/grpc/impl/codegen/slice.h
+++ b/include/grpc/impl/codegen/slice.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/slice_buffer.h b/include/grpc/impl/codegen/slice_buffer.h
index 7191878..8ca51ba 100644
--- a/include/grpc/impl/codegen/slice_buffer.h
+++ b/include/grpc/impl/codegen/slice_buffer.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/status.h b/include/grpc/impl/codegen/status.h
index 814bb4c..29e4570 100644
--- a/include/grpc/impl/codegen/status.h
+++ b/include/grpc/impl/codegen/status.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync_generic.h b/include/grpc/impl/codegen/sync_generic.h
index 71443b5..75e85ae 100644
--- a/include/grpc/impl/codegen/sync_generic.h
+++ b/include/grpc/impl/codegen/sync_generic.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync_posix.h b/include/grpc/impl/codegen/sync_posix.h
index f6e0a91..3d08cc3 100644
--- a/include/grpc/impl/codegen/sync_posix.h
+++ b/include/grpc/impl/codegen/sync_posix.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/sync_win32.h b/include/grpc/impl/codegen/sync_win32.h
index 1a6596c..bdc43dd 100644
--- a/include/grpc/impl/codegen/sync_win32.h
+++ b/include/grpc/impl/codegen/sync_win32.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/include/grpc/impl/codegen/time.h b/include/grpc/impl/codegen/time.h
index b4f4509..381e267 100644
--- a/include/grpc/impl/codegen/time.h
+++ b/include/grpc/impl/codegen/time.h
@@ -1,6 +1,6 @@
/*
*
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without