Merge branch 'stable-2.10'

* stable-2.10:
  Set 'line-height: normal' for lines in side-by-side diff
  Add missing documentation of the groups_members cache
  SideBySide2: Show file name in window title again
  Fix documentation of the default value for core.streamFileThreshold
  Bump version to 2.9.2

Change-Id: Ibea6f3291015f1dc707057537916e00d5a93c501

gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/DiffTable.ui.xml

@@ -44,6 +44,7 @@ limitations under the License.
       overflow: hidden;
       border-right: 0;
       width: auto;
+      line-height: normal;
     }
 
     /* Preserve space for underscores. If this changes

gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/SideBySide2.java

@@ -162,6 +162,7 @@ public class SideBySide2 extends Screen {
   protected void onInitUI() {
     super.onInitUI();
     setHeaderVisible(false);
+    setWindowTitle(FileInfo.getFileName(path));
   }
 
   @Override