Fix Appassember Scripts On MacOS

Advance all appassembler versions to 2.0.0, which eliminates requirement
to have JAVA_HOME defined.

Change-Id: I0ebf8b688f72617ed6595bdd175a8be9b788a922
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1566
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: abdullah alamoudi <bamousaa@gmail.com>
diff --git a/asterixdb/pom.xml b/asterixdb/pom.xml
index 11b706b..d890420 100644
--- a/asterixdb/pom.xml
+++ b/asterixdb/pom.xml
@@ -1094,6 +1094,17 @@
         <artifactId>jaxb-api</artifactId>
         <version>2.2.12</version>
       </dependency>
+      <dependency>
+        <groupId>org.codehaus.mojo.appassembler</groupId>
+        <artifactId>appassembler-booter</artifactId>
+        <version>2.0.0</version>
+        <exclusions>
+          <exclusion>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+          </exclusion>
+        </exclusions>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 </project>