Add ignore unknown flags for Jackson to the TSQuery and

TSSubQuery classes so we can parse forward and backward compatible
queries.

Signed-off-by: Chris Larsen <clarsen@yahoo-inc.com>

src/core/TSQuery.java

@@ -18,6 +18,7 @@
 import java.util.Map;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.google.common.base.Objects;
 import com.stumbleupon.async.Callback;
 import com.stumbleupon.async.Deferred;
@@ -38,6 +39,7 @@
  * {@code start_time} and {@code end_time} fields.
  * @since 2.0
  */
+@JsonIgnoreProperties(ignoreUnknown = true)
 public final class TSQuery {
 
   /** User given start date/time, could be relative or absolute */

src/core/TSSubQuery.java

@@ -21,6 +21,7 @@
 
 import net.opentsdb.query.filter.TagVFilter;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.google.common.base.Objects;
 import com.google.common.collect.ImmutableMap;
 
@@ -41,6 +42,7 @@
  * {@code agg} and {@code downsample_specifier} fields.
  * @since 2.0
  */
+@JsonIgnoreProperties(ignoreUnknown = true)
 public final class TSSubQuery {
   /** User given name of an aggregation function to use */
   private String aggregator;