MNT: change name + fix package data

Author: tacaswell

Diff for: mpl_sphinx_theme/components/lib_version.html renamed to mpl_sphinx_theme/components/doc_version.html

@@ -1,6 +1,6 @@
-{% if lib_version %}
+{% if doc_version %}
   <p class="sphinx-version">
-    Built from {{ lib_version }}.
+    Built from {{ doc_version }}.
     <br/>
   </p>
 {% endif %}

Diff for: setup.py

@@ -22,6 +22,7 @@
             "static/images/*.ico",
             "static/js/*.js",
             "static/font/*.*",
+            "components/*.html",
         ]
     },
     include_package_data=True,