Update the Test::HTTP::LocalServer files (and tests) to a recent version

- remove ->creds_required(), as that path does not exist in the server
- add some more error conditions to the server (unused by WWW::Mechanize)
- delete environment variables for proxies ETC
- remove logfile on disk
- update copyright
Checking in changes prior to tagging of version 1.69_01.

Changelog diff is:

diff --git a/Changes b/Changes
index dc5df0d..018c62e 100644
--- a/Changes
+++ b/Changes
@@ -5,6 +5,9 @@ http://groups.google.com/group/www-mechanize-users

 [CHANGES]

+1.69_01
+========================================
+[INTERNALS]
 The test suite for the local tests was updated

 1.68        Fri Apr 22 01:10:40 EST 2011
1.70 - disable live tests by default
Improve docs about support of JavaScript
Recognise application/xhtml+xml as HTML.

This fixes Issue 162[1], making e.g. $mech->title() work for XHTML pages which
were returned with the application/xhtml+xml content type.

[1] http://code.google.com/p/www-mechanize/issues/detail?id=162
Test that the application/xhtml+xml content type is supported
Typo correction: optionaly -> optionally
oops-music.com is in utf-8 now
locally test euc-jp encoding

as we removed oops-music.com in live tests
Checking in changes prior to tagging of version 1.71

Changelog diff is:

diff --git a/Changes b/Changes
index 95f4eba..dfe000e 100644
--- a/Changes
+++ b/Changes
@@ -5,6 +5,18 @@ http://groups.google.com/group/www-mechanize-users

 [CHANGES]

+1.71        Tue Nov 14 13:50:41 EDT 2011
+========================================
+[ENHANCEMENTS]
+Recognise application/xhtml+xml as HTML.
+
+[DOCUMENTATION]
+Improved docs about support of JavaScript
+Typo fixes.
+
+[TESTS]
+Updated tests as oops-music.com is in utf-8 now
+
 1.70        Fri Aug 26 13:46:30 EDT 2011
 ========================================
 [ENHANCEMENTS]
MANIFEST updates
Checking in changes prior to tagging of version 1.71.

Changelog diff is:
Checking in changes prior to tagging of version 1.72.

Changelog diff is:

diff --git a/Changes b/Changes
index d153eb8..07cc285 100644
--- a/Changes
+++ b/Changes
@@ -5,6 +5,13 @@ http://groups.google.com/group/www-mechanize-users

 [CHANGES]

+1.72        Thu Feb  2 18:37:28 EST 2012
+========================================
+[DEPENDENCIES]
+Bumped the HTML::Form dependency to fix failures on CentOS 5
+
+
+
 1.71        Tue Nov 14 13:50:41 EDT 2011
 ========================================
 [ENHANCEMENTS]
remove last manual fork() to create a server in t/local/back.t so win32 stops emitting black smoke
typo from annocpan
dump_headers can now use a file name as a parameter
add WWW::Scripter to list of subclasses
linkified URIs in POD documentation
extended content with new args
more robust save_content