Do not show cursor for non-clickable elements

This change applies for the timepicker.

Author: simeg

css/react-datetime.css

@@ -211,3 +211,7 @@ td.rdtYear:hover {
   font-size: 1.2em;
   margin-top: 37px;
 }
+
+.rdtTime td {
+  cursor: default;
+}

example/react-datetime.css

@@ -219,4 +219,8 @@ td.rdtYear:hover {
 
 .rdtDayPart {
   margin-top: 43px;
-}
+}
+
+.rdtTime td {
+  cursor: default;
+}