Disable search until registry is loaded and fix sorting by version

... and always display a scrollbar.

src/static/css/admin.css

@@ -43,7 +43,7 @@ div.innerwrapper {
   box-shadow: 0px 1px 10px rgba(0, 0, 0, 0.2);
   margin: auto;
   max-width: 1150px;
-  min-height: 100%;
+  min-height: 101%;/*always display a scrollbar*/
 }
 
 h1 {

src/static/js/admin/plugins.js

@@ -130,6 +130,7 @@ $(document).ready(function () {
     if(!data.results.length) search.end = true;
     $(".search-results .nothing-found").hide()
     $(".search-results .fetching").hide()
+    $("#search-query").removeAttr('disabled')
     
     console.log('got search results', data)
 

src/templates/admin/plugins.html

@@ -69,7 +69,7 @@
           
           <h2>Available plugins</h2>
           <form>
-            <input type="text" name="search" placeholder="Search for plugins to install" id="search-query">
+            <input type="text" name="search" disabled placeholder="Search for plugins to install" id="search-query">
           </form>
 
           <table>
@@ -77,7 +77,7 @@
               <tr>
                 <th class="sort up"   data-label="name">Name</th>
                 <th class="sort none" data-label="description">Description</th>
-                <th class="sort none" data-label="Version">Version</th>
+                <th class="sort none" data-label="version">Version</th>
                 <td></td>
               </tr>
             </thead>