Localization fixes (Error tab table titles)

src/PHPCI/Languages/lang.en.php

@@ -320,6 +320,7 @@ PHPCI',
     'stage_failure'  => 'Failure',
     'stage_broken'   => 'Broken',
     'stage_fixed'    => 'Fixed',
+    'severity'       => 'Severity',
     
     'build_details'  => 'Build Details',
     'commit_details' => 'Commit Details',

src/PHPCI/Languages/lang.ru.php

@@ -309,6 +309,7 @@ PHPCI',
     'stage_failure'  => 'Провал',
     'stage_broken'   => 'Поломка',
     'stage_fixed'    => 'Исправление',
+    'severity'       => 'Важность',
 
     'build_details'  => 'Информация о сборке',
     'commit_details' => 'Информация о коммита',

src/PHPCI/View/Build/view.phtml

@@ -141,11 +141,11 @@
             <table class="errors-table table table-hover dataTable">
                 <thead>
                     <tr>
-                        <th>Severity</th>
-                        <th>Plugin</th>
-                        <th>File</th>
-                        <th data-orderable="false">Lines</th>
-                        <th data-orderable="false">Message</th>
+                        <th><?php Lang::out('severity'); ?></th>
+                        <th><?php Lang::out('plugin'); ?></th>
+                        <th><?php Lang::out('file'); ?></th>
+                        <th data-orderable="false"><?php Lang::out('line'); ?></th>
+                        <th data-orderable="false"><?php Lang::out('message'); ?></th>
                     </tr>
                 </thead>
                 <tbody>