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

Change-Id: I6169420328333d0916452aa92efbfa961d72e9c4
diff --git a/providers/netconf/alarm/pom.xml b/providers/netconf/alarm/pom.xml
index c666465..dfcd3f6 100644
--- a/providers/netconf/alarm/pom.xml
+++ b/providers/netconf/alarm/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>onos-netconf-providers</artifactId>
         <groupId>org.onosproject</groupId>
-        <version>1.7.0-SNAPSHOT</version>
+        <version>1.7.0-rc2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/providers/netconf/app/pom.xml b/providers/netconf/app/pom.xml
index 020705c..88cab84 100644
--- a/providers/netconf/app/pom.xml
+++ b/providers/netconf/app/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-netconf-providers</artifactId>
-        <version>1.7.0-SNAPSHOT</version>
+        <version>1.7.0-rc2</version>
     </parent>
 
     <artifactId>onos-netconf-app</artifactId>
diff --git a/providers/netconf/device/pom.xml b/providers/netconf/device/pom.xml
index a8667a1..5264744 100644
--- a/providers/netconf/device/pom.xml
+++ b/providers/netconf/device/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-netconf-providers</artifactId>
-        <version>1.7.0-SNAPSHOT</version>
+        <version>1.7.0-rc2</version>
     </parent>
 
     <artifactId>onos-netconf-provider-device</artifactId>
diff --git a/providers/netconf/pom.xml b/providers/netconf/pom.xml
index c598c6e..67d209e 100644
--- a/providers/netconf/pom.xml
+++ b/providers/netconf/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-netconf-providers</artifactId>