#1427 - QueryCache should be cleared, if one of a dependent bean is updated

Initial work, does not include propagation across cluster.

src/main/java/io/ebeaninternal/server/transaction/NoTransaction.java

@@ -47,6 +47,12 @@ class NoTransaction implements SpiTransaction {
 
   }
 
+  @Override
+  public long getStartMillis() {
+    // not used
+    return System.currentTimeMillis();
+  }
+
   @Override
   public boolean isActive() {
     // always false