[1.2.X] Fixed #11509 -- Modified usage of "Web" to match our style guide in...

[1.2.X] Fixed #11509 -- Modified usage of "Web" to match our style guide in various documentation, comments and code. Thanks to timo and Simon Meers for the work on the patch

Backport of r14069 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14072 bcc190cf-cafb-0310-a4f2-bffc1f526a37