yohoho no longer cares if depot is built with 1.6, so build with that since we're using 1.6's Connection.createArrayOf in PostgreSQL4Builder. Sneak a ooo-buildification in with the compiler version bump.

src/main/java/com/samskivert/depot/Query.java

@@ -575,6 +575,7 @@ public class Query<T extends PersistentRecord>
         _pclass = pclass;
     }
 
+    @Override
     protected Query<T> clone ()
     {
         try {

src/main/java/com/samskivert/depot/impl/Projector.java

@@ -111,7 +111,7 @@ public abstract class Projector<T extends PersistentRecord,R>
         Class<T> ptype, final Class<V> resultType, SQLExpression<?>... selexps)
     {
         return new Projector<T, V>(ptype, selexps) {
-            public V createObject (Object[] results) {
+            @Override public V createObject (Object[] results) {
                 try {
                     return _ctor.newInstance(results);
                 } catch (InstantiationException e) {