implemented small delay between setting signal to go and start of train. various GUI improvements

resources/css/style.css

@@ -261,11 +261,15 @@ h4,ul{
 }
 
 .window .disabled{
-	background: red;
+	background: orange;
 	padding: 3px;
 	display: table;
 }
 
+.window tr.disabled {
+    display: table-row;
+}
+
 svg.disabled circle,
 svg.disabled line,
 svg.disabled polygon,
@@ -309,6 +313,10 @@ table tr:hover td{
 	background: #cadbdb;
 }
 
+table tr.disabled:hover td {
+    background: yellow;
+}
+
 table.brake-times tr > *{
 	border-style: solid;
 	border-color: black;