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

Change-Id: I6169420328333d0916452aa92efbfa961d72e9c4
diff --git a/onos.defs b/onos.defs
new file mode 100644
index 0000000..80552e1
--- /dev/null
+++ b/onos.defs
@@ -0,0 +1,8 @@
+ONOS_ORIGIN = 'ON.Lab'
+ONOS_GROUP_ID = 'org.onosproject'
+ONOS_VERSION = '1.7.0-rc2'
+DEFAULT_APP_CATEGORY = 'Utility'
+ONOS_ARTIFACT_BASE = 'onos-'
+APP_PREFIX = ONOS_GROUP_ID + '.'
+
+include_defs('//modules.defs')