fixing cc image link to https

Author: Lauren McCarthy

docs/yuidoc-p5-theme-src/scripts/tpl/itemEnd.html

@@ -11,7 +11,7 @@
 
   <p class="ref-notice"> If you see any errors or have suggestions, <a href="https://github.com/processing/p5.js/issues">please let us know</a>.<p>
 
-  <a style="border-bottom:none !important;" href="http://creativecommons.org/licenses/by-nc-sa/4.0/" target=_blank><img src="http://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" style="width:88px"/></a>
+  <a style="border-bottom:none !important;" href="http://creativecommons.org/licenses/by-nc-sa/4.0/" target=_blank><img src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" style="width:88px"/></a>
 
   <% if (item.file && item.line) { %>
   <p style="font-size: 0.75em">Find any typos or bugs? <code><%=item.name%><% if (item.isMethod) { %>()<% } %></code> is documented and defined in <a href="https://github.com/processing/p5.js/blob/master/<%= item.file %>#L<%= item.line %>" target="_blank" ><code><%= item.file %></code></a>. Please feel free to <a href="https://github.com/processing/p5.js/edit/master/<%= item.file %>#L<%= item.line %>" target="_blank" style="font-family: inherit">edit the file</a> and issue a pull request!</p>