connect - add comments and add input verification

devices - add comments and add input verification 
devtree - add comments and add input verification 
dh - add comments, add input verification, add support for "-d"
disconnect - add comments and add input verification 
drivers - add comments
drvcfg - add comment
drvdiag - add comments, add input verification, and fix language use
openinfo - add comments and add input verification 
reconnect - add comment
unload - add input verification.

main library files: add comments, #define protection, and more output to the user.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11434 6f19259b-4bc3-4df7-8a09-765794883524

ShellPkg/Library/UefiShellDriver1CommandsLib/UefiShellDriver1CommandsLib.c

@@ -1,7 +1,7 @@
 /** @file
   Main file for NULL named library for level 1 shell command functions.
 
-  Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -21,6 +21,11 @@ CONST EFI_GUID gShellDriver1HiiGuid = \
   0xaf0b742, 0x63ec, 0x45bd, {0x8d, 0xb6, 0x71, 0xad, 0x7f, 0x2f, 0xe8, 0xe8} \
   };
 
+/**
+  Function to return the name of the file containing help if HII will not be used.
+
+  @return The filename.
+**/
 CONST CHAR16*
 EFIAPI
 ShellCommandGetManFileNameDriver1 (
@@ -81,6 +86,9 @@ UefiShellDriver1CommandsLibConstructor (
 
 /**
   Destructor for the library.  free any resources.
+
+  @param ImageHandle            The image handle of the process.
+  @param SystemTable            The EFI System Table pointer.
 **/
 EFI_STATUS
 EFIAPI