Show envelope icon for mailto: SOCIAL links

Only if the name doesn't match anything that
triggers a different icon (see #4).

README.md

@@ -131,7 +131,13 @@ in the sidebar with any `SOCIAL` or other `LINKS`.
 
 Appropriate icons are provided in the sidebar for a range of sites in the
 `SOCIAL` link list. Have a look in [`social.html`][17] to see which titles this
-applies to.
+applies to. If none of the sites are a match, then:
+
+ - if the second, URL element in the tuple starts with `'mailto:'`, an envelope
+   icon is used; otherwise
+ - a globe icon is used.
+
+ ![Screenshot - Social icons in sidebar][24]
 
 ### MailChimp Configuration
 
@@ -237,3 +243,4 @@ free to submit a [pull request][18].
   [21]: http://kb.mailchimp.com/lists/signup-forms/add-a-signup-form-to-your-website
   [22]: https://pypi.python.org/pypi/bulrush
   [23]: http://fontawesome.io/icon/file-text-o/
+  [24]: ./screenshot-social.png

README.rst

@@ -3,5 +3,8 @@ Bulrush
 
 A `Bulma`_-based `Pelican`_ blog theme; clean, flexible and responsive.
 
+For more information, see `the GitHub repo`_.
+
  .. _Bulma: http://bulma.io/
  .. _Pelican: http://docs.getpelican.com/en/stable/
+ .. _the GitHub repo: https://github.com/textbook/bulrush#readme

bulrush/templates/social.html

@@ -23,6 +23,8 @@
           <i class="fa fa-lastfm fa-fw"></i>
         {% elif title|lower == 'stack overflow' %}
           <i class="fa fa-stack-overflow fa-fw"></i>
+        {% elif link.startswith('mailto:') %}
+          <i class="fa fa-envelope fa-fw"></i>
         {% else %}
           <i class="fa fa-globe fa-fw"></i>
         {% endif %}

setup.py

@@ -24,5 +24,5 @@
     test_suite='tests',
     tests_require=['pelican'],
     url='https://github.com/textbook/bulrush',
-    version='0.0.7',
+    version='0.0.8',
 )