Running Dmaap consumer in a seprate thread

Fixed some potential threading problems

Enabled spring boot actuator for REST API
to control traces, diagnostics etc.

API documentation updates

Added GET policy_status in the agent NBI

Change-Id: Ied170bb1e8f350f17b385a0ef1def87cc6ec8750
Issue-ID: NONRTRIC-107
Signed-off-by: PatrikBuhr <patrik.buhr@est.tech>
diff --git a/docs/api-docs.rst b/docs/api-docs.rst
index 7365572..acfe38c 100644
--- a/docs/api-docs.rst
+++ b/docs/api-docs.rst
@@ -68,8 +68,7 @@
 
 API Functions
 -------------
-
-See the following document for the Policy Agent API: nonrtric/policy-agent/docs/api.doc.
+See the following document for the Policy Agent API: nonrtric/policy-agent/docs/api.yaml
 
 Near-RT RIC Simulator
 =====================