Explicitly set sli core version for the 2 listeners
to 0.7.2.  This is needed because the parent pom they
use does not define ccsdk.sli.core.version property.
Change-Id: I398c29759df8f8e95ace707e651d4fb978c0d97c
Issue-ID: CCSDK-2345
Signed-off-by: Dan Timoney <dtimoney@att.com>
         <build.number>${maven.build.timestamp}</build.number>
         <SWM_VERSION>${project.version}-${build.number}</SWM_VERSION>
 
-        <ccsdk.sli.core.version>${project.version}</ccsdk.sli.core.version>
+        <ccsdk.sli.core.version>0.7.2</ccsdk.sli.core.version>
         <ccsdk.sli.northbound.version>${project.version}</ccsdk.sli.northbound.version>
     </properties>
 
 
         <maven.build.timestamp.format>yyyyMMdd'T'HHmmss'Z'</maven.build.timestamp.format>
         <build.number>${maven.build.timestamp}</build.number>
         <SWM_VERSION>${project.version}-${build.number}</SWM_VERSION>
-        <ccsdk.sli.core.version>${project.version}</ccsdk.sli.core.version>
+        <ccsdk.sli.core.version>0.7.2</ccsdk.sli.core.version>
         <ccsdk.sli.northbound.version>${project.version}</ccsdk.sli.northbound.version>
         <sdc.client.version>1.4.1</sdc.client.version>
        <sdc.tosca.version>1.6.5</sdc.tosca.version>