Update documentation for new switches

Updates both the detailed help and the README.md for the new switches.

Author: jaredpar

README.md

@@ -22,7 +22,10 @@ $ .\CodeFormatter.exe
 CodeFormatter <project or solution> [<rule types>] [/file <filename>]
     <rule types> - Rule types to use in addition to the default ones.
                    Use ConvertTests to convert MSTest tests to xUnit.
-    <filename> - Only apply changes to files with specified name.
+    <filename>   - Only apply changes to files with specified name.
+    <configs>    - Additional preprocessor configurations the formatter
+                   should run under.
+    <copyright>  - Specifies file containing copyright header.
 ```
 
 ## Contributing

src/CodeFormatter/Program.cs

@@ -28,7 +28,8 @@ private static int Main(string[] args)
                 Console.WriteLine("                   Use ConvertTests to convert MSTest tests to xUnit.");
                 Console.WriteLine("    <filename>   - Only apply changes to files with specified name.");
                 Console.WriteLine("    <configs>    - Additional preprocessor configurations the formatter");
-                Console.WriteLine("                   should run under");
+                Console.WriteLine("                   should run under.");
+                Console.WriteLine("    <copyright>  - Specifies file containing copyright header.")
                 return -1;
             }