Decouple sample apps

- Each app can now independently specify ONOS version it needs.
- All apps depend on stable version
  except for onos-app-uiref  who has dependency to 1.9.0-SNAPSHOT

Change-Id: Ib4d39901269b036eae4ceae3c41a9c5ad1a29cc1
diff --git a/calendar/pom.xml b/calendar/pom.xml
index 941357d..e874947 100644
--- a/calendar/pom.xml
+++ b/calendar/pom.xml
@@ -21,18 +21,21 @@
 
     <parent>
         <groupId>org.onosproject</groupId>
-        <artifactId>onos-app-samples</artifactId>
-        <version>1.9.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
+        <artifactId>onos-dependencies</artifactId>
+        <version>1.8.0</version>
+        <relativePath/><!-- parent is remote -->
     </parent>
 
     <artifactId>onos-app-calendar</artifactId>
+    <version>1.9.0-SNAPSHOT</version>
     <packaging>bundle</packaging>
 
+
     <description>ONOS simple calendaring REST interface for intents
     </description>
 
     <properties>
+        <onos.version>1.8.0</onos.version>
         <onos.app.name>org.onosproject.calendar</onos.app.name>
         <onos.app.origin>ON.Lab</onos.app.origin>
         <onos.app.title>Intents Calendar App</onos.app.title>
@@ -45,7 +48,7 @@
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onlab-rest</artifactId>
-            <version>${project.version}</version>
+            <version>${onos.version}</version>
         </dependency>
 
         <dependency>
@@ -69,18 +72,20 @@
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onlab-misc</artifactId>
+            <version>${onos.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onlab-junit</artifactId>
+            <version>${onos.version}</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-cli</artifactId>
-            <version>${project.version}</version>
+            <version>${onos.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.karaf.shell</groupId>