Merge pull request #1112 from pelson/docs_tidy

DOC: Minor documentation enhancements.

doc/ext/LICENSE.txt

@@ -15,7 +15,7 @@ The file
 
 - plot_directive.py
 
-was derived from code in Matplotlib (http://matplotlib.sf.net/), which has the
+was derived from code in Matplotlib (http://matplotlib.org), which has the
 following license:
 
 Copyright (c) 2002-2008 John D. Hunter; All Rights Reserved.

doc/source/_templates/navbar.html

@@ -2,4 +2,9 @@
 <li><a href="/download.html">Download</a></li>
 <li><a href="/docs/dev/auto_examples">Gallery</a></li>
 <li><a href="/docs/dev">Documentation</a></li>
-<li><a href="https://github.com/scikit-image/scikit-image">Source</a></li>
+<li><a href="https://github.com/scikit-image/scikit-image">
+    <img src="_static/GitHub-Mark-32px.png" style="height: 15px; width: 15px;
+                                                   display: inline; float: none;
+                                                   padding-bottom: 3px;">
+    Source</a>
+</li>

doc/source/gitwash/known_projects.inc

@@ -6,7 +6,7 @@
 .. _`PROJECTNAME mailing list`: http://projects.scipy.org/mailman/listinfo/nipy-devel
 
 .. numpy
-.. _numpy: hhttp://numpy.scipy.org
+.. _numpy: http://numpy.org
 .. _`numpy github`: http://github.com/numpy/numpy
 .. _`numpy mailing list`: http://mail.scipy.org/mailman/listinfo/numpy-discussion
 

doc/source/install.txt

@@ -2,7 +2,7 @@ Pre-built installation
 ----------------------
 
 `Windows binaries
-<http://www.lfd.uci.edu/~gohlke/pythonlibs/#scikits.image>`__
+<http://www.lfd.uci.edu/~gohlke/pythonlibs/#scikit-image>`__
 are kindly provided by Christoph Gohlke.
 
 The latest stable release is also included as part of