Cleaned up some trailing white space(s)

- Walked through the NEWS, README, and about org-pages and removed some
  white spaces that where sticking around.
- 🤘

README.org

@@ -4,17 +4,17 @@
   e-mail message in our work-flows, it's essential to quickly deal with all that
   mail - in particular, to instantly find that one important e-mail you need right
   now.
-  
+
   [[http://www.djcbsoftware.nl/code/mu][mu]] is a tool for dealing with e-mail messages stored in the
   Maildir-format. =mu='s purpose in life is to help you to quickly find the
   messages you need; in addition, it allows you to view messages, extract
   attachments, create new maildirs, and so on. See the [[http://www.djcbsoftware.nl/code/mu/cheatsheet.html][mu cheatsheet]] for some
   examples. =mu= is fully documented.
-  
+
   After indexing your messages into a [[http://www.xapian.org][Xapian]]-database, you can search them using
   a custom query language. You can use various message fields or words in the
   body text to find the right messages.
-  
+
   Built on top of the mu, are some extensions (included in this package):
 
   - mu-for-emacs ([[http://www.djcbsoftware.nl/code/mu/mu4e.html][mu4e]]): a full-featured e-mail client that runs inside emacs
@@ -24,9 +24,8 @@
 
   =mu= is written in C and a bit of C++ (to interface with Xapian), with =mu4e=
   written in [[http://en.wikipedia.org/wiki/Emacs-Lisp][Emacs-Lisp]] and =mu-guile= in a mix of C and Scheme.
-  
+
   Note, =mu= is available in Debian/Ubuntu under the name =maildir-utils=;
   apparently because they don't like short name. It's also possible to confuse
   that name with the [[http://mailutils.org/][GNU Mailutils]] project (which is totally unrelated) - but
   now you have been warned.
-