Language improvements

Signed-off-by: Graham Campbell <graham@mineuk.com>

app/views/errors/404.blade.php

@@ -5,14 +5,14 @@
         <div>
             <img class="logo" height="65" src="{{ url('img/cachet-logo.svg') }}" alt="Cachet"/>
         </div>
-        <h1>404</h1>
-        <h3>{{ trans('cachet.dashboard.not_found') }}</h3>
+        <h1>{{ trans('errors.not-found.code') }}</h1>
+        <h3>{{ trans('errors.not-found.title') }}</h3>
 
         <div class="error-desc">
-            <p>{{ trans('cachet.dashboard.not_found_message') }}</p>
+            <p>{{ trans('errors.not-found.message') }}</p>
             <br/>
             <p>
-                <a href='/' class='btn btn-default btn-lg'>{{ trans('cachet.dashboard.not_found_link') }}</a>
+                <a href='/' class='btn btn-default btn-lg'>{{ trans('errors.not-found.link') }}</a>
             </p>
         </div>
     </div>