Merge branch 'stable-2.16'

* stable-2.16:
  Fix account and group query with Elasticsearch 6
  Fix support for "SystemVerilog"
  Add "Show Relative Dates In Changes Table" to settings preference
  Update syntax highlighting class

Change-Id: I0189b0e27d923d638aee2bc5779dca7261084841

polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.html

@@ -207,6 +207,16 @@ limitations under the License.
               </gr-select>
             </span>
           </section>
+          <section>
+            <span class="title">Show Relative Dates In Changes Table</span>
+            <span class="value">
+              <input
+                  id="relativeDateInChangeTable"
+                  type="checkbox"
+                  checked$="[[_localPrefs.relative_date_in_change_table]]"
+                  on-change="_handleRelativeDateInChangeTable">
+            </span>
+          </section>
           <section>
             <span class="title">Diff view</span>
             <span class="value">

polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.js

@@ -29,6 +29,7 @@
     'signed_off_by',
     'email_format',
     'size_bar_in_change_table',
+    'relative_date_in_change_table',
   ];
 
   const GERRIT_DOCS_BASE_URL = 'https://gerrit-review.googlesource.com/' +
@@ -270,6 +271,11 @@
       this._prefsChanged = true;
     },
 
+    _handleRelativeDateInChangeTable() {
+      this.set('_localPrefs.relative_date_in_change_table',
+          this.$.relativeDateInChangeTable.checked);
+    },
+
     _handleShowSizeBarsInFileListChanged() {
       this.set('_localPrefs.size_bar_in_change_table',
           this.$.showSizeBarsInFileList.checked);

polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html

@@ -88,6 +88,7 @@ limitations under the License.
         email_strategy: 'ENABLED',
         email_format: 'HTML_PLAINTEXT',
         default_base_for_merges: 'FIRST_PARENT',
+        relative_date_in_change_table: false,
         size_bar_in_change_table: true,
 
         my: [
@@ -151,6 +152,9 @@ limitations under the License.
           .firstElementChild.bindValue, preferences.email_format);
       assert.equal(valueOf('Default Base For Merges', 'preferences')
           .firstElementChild.bindValue, preferences.default_base_for_merges);
+      assert.equal(
+          valueOf('Show Relative Dates In Changes Table', 'preferences')
+              .firstElementChild.checked, false);
       assert.equal(valueOf('Diff view', 'preferences')
           .firstElementChild.bindValue, preferences.diff_view);
       assert.equal(valueOf('Show size bars in file list', 'preferences')