Fix unmaintained app's dependency version to non-SNAPSHOT

Change-Id: I2654b6e9b64d72de17e51530dba43c3aa4c2049d
diff --git a/calendar/pom.xml b/calendar/pom.xml
index 7f71634..ba5ec66 100644
--- a/calendar/pom.xml
+++ b/calendar/pom.xml
@@ -63,7 +63,7 @@
       <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onlab-thirdparty</artifactId>
-            <version>1.6.0-SNAPSHOT</version>
+            <version>1.5.0</version>
         </dependency>
 
         <dependency>