Fix some variable usage in templates

Author: onur

templates/builds.hbs

@@ -25,7 +25,7 @@ $ cratesfyi ...
     <ul>
     {{#each builds}}
     <li>
-    <a href="/crate/{{../../metadata.name}}/{{../../metadata.version}}/builds/{{id}}" class="release">
+    <a href="/crate/{{../metadata.name}}/{{../metadata.version}}/builds/{{id}}" class="release">
       <div class="pure-g">
         <div class="pure-u-1 pure-u-sm-1-24 build"><i class="fa fa-{{#if build_status }}check{{else}}close{{/if}}"></i></div>
         <div class="pure-u-1 pure-u-sm-10-24">{{rustc_version}}</div>

templates/crate_details.hbs

@@ -36,7 +36,7 @@
             <div class="pure-menu pure-menu-scrollable sub-menu">
               <ul class="pure-menu-list">
                 {{#each versions}}
-                <li class="pure-menu-item"><a href="/crate/{{../../name}}/{{this}}" class="pure-menu-link">{{this}}</a></li>
+                <li class="pure-menu-item"><a href="/crate/{{../name}}/{{this}}" class="pure-menu-link">{{this}}</a></li>
                 {{/each}}
               </ul>
             </div>