Cleanup Versions In POM Files

- Eliminate redundant version references
- Defer to ${project.version} when appropriate
- Pickup hyracks module version from dependency management

Change-Id: I6e468931024831db41ba9e2f6e48f0be0ba3373a
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1039
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: Till Westmann <tillw@apache.org>
diff --git a/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml b/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
index c69619d..13654f4 100644
--- a/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
@@ -45,12 +45,12 @@
     <dependency>
       <groupId>org.apache.hyracks</groupId>
       <artifactId>algebricks-rewriter</artifactId>
-      <version>0.2.18-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.hyracks</groupId>
       <artifactId>algebricks-core</artifactId>
-      <version>0.2.18-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
   </dependencies>
 </project>