in banner, use release from scm

* no need to hardcode

website/conf.py

@@ -203,7 +203,7 @@ def format_web_refs(self, e):
 #
 html_theme_options = { # these are both piccolo theme-specific
     "source_url": 'https://github.com/alexlancaster/pypop/',
-    "banner_text": 'PyPop 1.0.2 is released! Install via PyPI: <b><code>pip install pypop-genomics</code></b>.<br/>More installation details in the <em><a href="http://pypop.org/docs/guide-chapter-install.html">User Guide</a></em>.<br/>'
+    "banner_text": 'PyPop %s is released! Install: <b><code>pip install pypop-genomics</code></b>.<br/>More installation details in the <em><a href="http://pypop.org/docs/guide-chapter-install.html">User Guide</a></em>.<br/>' % release
 }
 
 # Add any paths that contain custom static files (such as style sheets) here,