Update copyright notice in the style guide.

doc/CodingStandard.md

@@ -15,7 +15,7 @@ This will catch most of the trivial formatting errors and save you time.
 
 ### [Header Files](https://google.github.io/styleguide/cppguide.html#Header_Files)
 
-*   We will use **`.h`** for C++ headers.
+*   We use **`.h`** for C++ headers.
 *   {DEV} #define guards should be of the form: `<PATH>_<FILE>_H_`. (Compiler
     codebase is varied, including `<PROJECT>_` makes the names excessively
     long).
@@ -39,7 +39,7 @@ This will catch most of the trivial formatting errors and save you time.
 *   {DO} use nullptr (instead of 0 or NULL) for pointers.
 *   {DO} use size\_t for loop iterators and size values.
 *   {DO} use uint8\_t pointers instead of void pointers to denote binary data.
-*   {DO} use C++11 according to the [Chromium guide on C++11]
+*   {DO} use C++11/14 according to the [Chromium c++ 11/14 guide]
     (http://chromium-cpp.appspot.com/).
 
 ### [Naming](https://google.github.io/styleguide/cppguide.html#Naming)
@@ -64,7 +64,7 @@ guidelines.
 * class and type names: start with capital letter and use CamelCase.
 * {DEV} class member variables: use an **`m`** prefix instead of trailing
 underscore and use CamelCase.
-* global variables (if they must be used): use a **`g_`** prefix.
+* global variables (if they must be used): use a **`g`** prefix.
 * {DEV} variable names: start with lower case and use CamelCase (chosen for consistency)
 * {DEV} function names: Member functions start with lower case and use CamelCase. Non-member functions start with capital letter and
 use CamelCase (chosen for consistency)
@@ -81,12 +81,14 @@ use CamelCase (chosen for consistency)
 
 ```
 //
-//  Copyright (c) 2016 The ANGLE Project Authors. All rights reserved.
+//  Copyright $YEAR The ANGLE Project Authors. All rights reserved.
 //  Use of this source code is governed by a BSD-style license that can be
 //  found in the LICENSE file.
 //
 ```
 
+* $YEAR should be set to the current year at the time a file is created, and not changed thereafter.
+
 ### [Formatting](https://google.github.io/styleguide/cppguide.html#Formatting)
 
 *   {DEV} Avoid excessively long lines. Please keep lines under 100 columns