Bumping pom versions to 1.7.0-rc2 and fixing some maven issues

Change-Id: I6169420328333d0916452aa92efbfa961d72e9c4
diff --git a/providers/snmp/app/pom.xml b/providers/snmp/app/pom.xml
index d0511bb..9e9ba2b 100644
--- a/providers/snmp/app/pom.xml
+++ b/providers/snmp/app/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-snmp-providers</artifactId>
-        <version>1.7.0-SNAPSHOT</version>
+        <version>1.7.0-rc2</version>
     </parent>
 
     <artifactId>onos-snmp-app</artifactId>
diff --git a/providers/snmp/device/pom.xml b/providers/snmp/device/pom.xml
index 1ab6225..098c229 100644
--- a/providers/snmp/device/pom.xml
+++ b/providers/snmp/device/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-snmp-providers</artifactId>
-        <version>1.7.0-SNAPSHOT</version>
+        <version>1.7.0-rc2</version>
     </parent>
 
     <artifactId>onos-snmp-provider-device</artifactId>
@@ -38,12 +38,12 @@
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-snmp-api</artifactId>
-            <version>1.7.0-SNAPSHOT</version>
+            <version>1.7.0-rc2</version>
         </dependency>
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-snmp-ctl</artifactId>
-            <version>1.7.0-SNAPSHOT</version>
+            <version>1.7.0-rc2</version>
         </dependency>
         <dependency>
             <groupId>org.apache.servicemix.bundles</groupId>
diff --git a/providers/snmp/pom.xml b/providers/snmp/pom.xml
index 1ec1d09..e618cab 100644
--- a/providers/snmp/pom.xml
+++ b/providers/snmp/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-providers</artifactId>
-        <version>1.7.0-SNAPSHOT</version>
+        <version>1.7.0-rc2</version>
     </parent>
 
     <artifactId>onos-snmp-providers</artifactId>