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.
- 🤘

NEWS.org

@@ -27,7 +27,7 @@
    - when removing the "In-reply-to" header from replies, mu4e will
      also remove the (hidden) References header, effectively creating
      a new message-thread.
-  
+
 ** 0.9.13
 
 *** contributors
@@ -39,24 +39,24 @@
 
     (and of course all people who reported issues, provided
     suggestions etc.)
-    
+
 *** mu/mu4e/guile
 
     - NEWS (this file) is now visible from within mu4e – "N" in the main-menu.
-      
+
     - make `mu4e-headers-sort-field', `mu4e-headers-sort-direction'
       public (that, is change the prefix from mu4e~ to mu4e-), so
       users can manipulate them
-      
+
     - make it possible the 'fancy' (unicode) characters separately for
       headers and marks (see the variable `mu4e-use-fancy-chars'.)
-      
+
     - allow for composing in a separate frame (see
       `mu4e-compose-in-new-frame')
-      
+
     - add the `:thread-subject' header field, for showing the subject
       for a thread only once. So, instead of (from the manual):
-      
+
       #+BEGIN_EXAMPLE
 06:32        Nu    To Edmund Dantès    GstDev       + Re: Gstreamer-V4L...
 15:08        Nu    Abbé Busoni         GstDev         + Re: Gstreamer-V...
@@ -69,35 +69,35 @@
 2013-03-18   Ss    Baron Danglars      GuileUsr   | Guile-SDL 0.4.2 ava...
 End of search results
       #+END_EXAMPLE
-      
+
       the headers list would now look something like:
       #+BEGIN_EXAMPLE
-10:26      ⭑☐   Nicolas Goaziou      Orgmode  /bulk    ◼ Re: [O] 2 issue with Include function 
-11:00      ⭑☐   Leonard Randall      Orgmode  /bulk     ┗▶  
-10:55      ⭑☐   Guillermo Rodrigu... GstDev   /bulk    ◼ Re: stop pipeline into a callback funtion. 
-12:04      ⭑☐   Enrique Ocaña Gon... GstDev   /bulk     ┗▶  
-11:27      ⭑☐   Tim Müller           GstDev   /bulk     ◼  
-09:34      ⭑☐   Robert Klein         Orgmode  /bulk    ◼ Re: [O] Agenda Tag filtering - has the behaviour changed? 
-      #+END_EXAMPLE  
-      
+10:26      ⭑☐   Nicolas Goaziou      Orgmode  /bulk    ◼ Re: [O] 2 issue with Include function
+11:00      ⭑☐   Leonard Randall      Orgmode  /bulk     ┗▶
+10:55      ⭑☐   Guillermo Rodrigu... GstDev   /bulk    ◼ Re: stop pipeline into a callback funtion.
+12:04      ⭑☐   Enrique Ocaña Gon... GstDev   /bulk     ┗▶
+11:27      ⭑☐   Tim Müller           GstDev   /bulk     ◼
+09:34      ⭑☐   Robert Klein         Orgmode  /bulk    ◼ Re: [O] Agenda Tag filtering - has the behaviour changed?
+      #+END_EXAMPLE
+
       This is a feature known from e.g. `mutt' and `gnus` and many
       other clients, and can be enabled by customizing
       `mu4e-headers-fields' (replacing `:subject' with `:thread-subject')
-      
+
       It's not the default yet, but may become so in the future.
-     
+
     - add some spam-handling actions to mu4e-contrib.el
-      
+
     - mu4e now targets org 8.x, which support for previous versions
       relegated to `org-old-mu4e.el`. Some of the new org-features are
       improved capture templates.
-      
+
     - updates to the documentation, in particular about using BBDB.
-           
+
     - improved URL-handling (use emacs built-in functionality)
-    
+
     - many bug fixes, including some crash fixes on BSD
-      
+
 *** guile
 
     – add --delete option to the find-dups scripts, to automatically
@@ -116,7 +116,6 @@ End of search results
     - provide fake message-ids for messages without it; fixes #183
     - allow showing tags in 'mu find' output
     - fix CSV quoting
-    - 
 
 *** mu4e