Update some broken links to external sites

org-blog-wiki.org

@@ -42,7 +42,7 @@ contribute*!
 
 - [[https://github.com/punchagan/org2blog][org2blog]] :: allows publishing directly from Org-mode to WordPress
 
-- [[http://jaderholm.com/blog/blog/2011/09/26/blogging-with-org-mode-and-octopress/][Org-mode and Octopress]] :: Instructions for blogging With Org-mode and Octopress
+- [[http://jaderholm.com/blog/blogging-with-org-mode-and-octopress][Org-mode and Octopress]] :: Instructions for blogging With Org-mode and Octopress
 
 - [[http://www.emacswiki.org/emacs/Blorg][Blorg]] :: the original Org-mode blogging engine (but it's not maintained
            anymore).  Roland Kaufmann is maintaining a fork [[https://github.com/RolKau/blorg][here]].

org-color-themes.org

@@ -45,7 +45,7 @@ directory, whilst others are linked either to the author's site, or to Github.
 
 There is a page with screenshots of each of the themes [[file:color-themes-screenshot.org][here]] .
 
-** [[http://www.brockman.se/software/zenburn/zenburn.el][color-theme-zenburn.el]] (maintained by Daniel Brockman)
+** [[http://www.emacswiki.org/emacs/zenburn.el][color-theme-zenburn.el]] (maintained by Daniel Brockman)
 ** [[http://jaderholm.com/color-themes/color-theme-colorful-obsolescence.el][color-theme-colorful-obsolescence.el]] (Scott Jaderholm)
 
 Links to Scott's themes all point directly to his site.

org-quotes.org

@@ -34,7 +34,7 @@ This handy system uses a fairly simple, single-file outlining
 paradigm, upon which it overlays concepts like due dates and
 priorities. I find its method both non-intrusive and easy to edit
 by hand, which are absolute necessities for me.
-@<div align="right">@<i>John Wiegley in 2007 in his [[http://www.newartisans.com/blog_files/org.mode.day.planner.php][blog post]].@</i>@</div>
+@<div align="right">@<i>John Wiegley in 2007 in his [[http://newartisans.com/2007/08/using-org-mode-as-a-day-planner/][blog post]].@</i>@</div>
 #+end_quote
 
 #+begin_quote

org-screenshots.org

@@ -44,7 +44,7 @@
 
   [[file:../img/screenshots/web_site_org_code.jpg][file:../img/screenshots/thumbs/web_site_org_code.png]]
 
-- Org with the =zenburn= ([[http://www.brockman.se/software/zenburn/zenburn.el][zenburn.el]]) color-theme by Adrian C.:
+- Org with the =zenburn= ([[http://www.emacswiki.org/emacs/zenburn.el][zenburn.el]]) color-theme by Adrian C.:
 
   [[file:../img/screenshots/org-mode-zenburn.jpg][file:../img/screenshots/thumbs/org-mode-zenburn.png]]