ASTERIXDB-1714: Eliminate dependency on org.json

Change-Id: Ie9c5400fd134ae75d43385255af7794e968b1c7e
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1392
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
BAD: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/hyracks-fullstack/hyracks/hyracks-api/pom.xml b/hyracks-fullstack/hyracks/hyracks-api/pom.xml
index e624be6..c872bea 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-api/pom.xml
@@ -58,13 +58,6 @@
   </build>
   <dependencies>
     <dependency>
-      <groupId>org.json</groupId>
-      <artifactId>json</artifactId>
-      <version>20090211</version>
-      <type>jar</type>
-      <scope>compile</scope>
-    </dependency>
-    <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
       <version>4.5.2</version>
@@ -97,5 +90,10 @@
       <version>2.0.2-beta</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+      <version>2.8.1</version>
+    </dependency>
   </dependencies>
 </project>