Increased width of date fields

At 75px the year was being replaced with "2..." after select2 added its "X". At 85px this doesn't happen any more.

Resources/public/css/layout.css

@@ -265,7 +265,7 @@ body.sonata-bc {
 }
 
 .sonata-bc div.sonata-medium-date select {
-    width: 75px;
+    width: 85px;
 }
 
 .sonata-bc div.sonata-medium-date div {