Switch clipboard buttons to title

This way, sighted users can see the label, too.

Author: notriddle

templates/header/package_navigation.html

@@ -27,7 +27,7 @@ <h1 id="crate-title">
                         {{ title }}
                     {%- else -%}
                         {{ metadata.name }} {{ metadata.version }}
-                        <span id="clipboard" class="fa-svg fa-svg-fw" aria-label="Copy crate name and version information">{%- include "clipboard.svg" -%}</span>
+                        <span id="clipboard" class="fa-svg fa-svg-fw" title="Copy crate name and version information">{%- include "clipboard.svg" -%}</span>
                     {%- endif -%}
                 </h1>
 

templates/rustdoc/topbar.html

@@ -19,7 +19,7 @@
                 <ul class="pure-menu-list menu-item-divided">
                     <li class="pure-menu-heading" id="crate-title">
                         {{ krate.name }} {{ krate.version }}
-                        <span id="clipboard" class="fa-svg fa-svg-fw" aria-label="Copy crate name and version information">{%- include "clipboard.svg" -%}</span>
+                        <span id="clipboard" class="fa-svg fa-svg-fw" title="Copy crate name and version information">{%- include "clipboard.svg" -%}</span>
                     </li>
 
                     <li class="pure-menu-item">