Update Apache Root Pom to Latest

org.apache:apache.........16 -> 18

Change-Id: I30277fa9cf288f3c6a2c0538fa67bde8e48a1e15
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1337
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ian Maxon <imaxon@apache.org>
diff --git a/asterixdb/asterix-app/pom.xml b/asterixdb/asterix-app/pom.xml
index 08a3d81..0ae7ea3 100644
--- a/asterixdb/asterix-app/pom.xml
+++ b/asterixdb/asterix-app/pom.xml
@@ -46,7 +46,6 @@
         <executions>
           <execution>
             <goals>
-              <goal>jar</goal>
               <goal>test-jar</goal>
             </goals>
           </execution>
diff --git a/asterixdb/pom.xml b/asterixdb/pom.xml
index ff0c008..689663d 100644
--- a/asterixdb/pom.xml
+++ b/asterixdb/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>16</version>
+    <version>18</version>
     <relativePath />
   </parent>
 
diff --git a/hyracks-fullstack/pom.xml b/hyracks-fullstack/pom.xml
index cf618f7..9cd9841 100644
--- a/hyracks-fullstack/pom.xml
+++ b/hyracks-fullstack/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>16</version>
+    <version>18</version>
     <relativePath />
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 44ecd1b..2716c9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>16</version>
+    <version>18</version>
     <relativePath/>
   </parent>