Start setting lastModifiedTime and fixed bootstrapping; clarified some test @Ignores

src/test/java/net/openhft/lang/values/DoubleArrayTest.java

@@ -68,7 +68,7 @@ public class DoubleArrayTest {
     }
 
     @Test
-    @Ignore
+    @Ignore("TODO What is HACK???")
     public void addToAMap2() {
         DoubleArray.HACK = false;
         DoubleArray a = new DoubleArray(10);