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/hyracks/hyracks-api/pom.xml b/hyracks-fullstack/hyracks/hyracks-api/pom.xml
index 01c397e..5f625fb 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-api/pom.xml
@@ -81,7 +81,7 @@
     <dependency>
       <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-ipc</artifactId>
-      <version>0.2.18-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
@@ -91,7 +91,7 @@
     <dependency>
       <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-util</artifactId>
-      <version>0.2.18-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
     <dependency>
       <groupId>org.mockito</groupId>