Initialize metaProperties in JTosca.

To enable SDC Parser to parse individual Yamls.

Change-Id: I94035dc0d2bd58fc192df7dc2f572cef5181b2a6
Issue-ID: SDC-999
Signed-off-by: priyanshu <pagarwal@amdocs.com>
diff --git a/src/main/java/org/openecomp/sdc/toscaparser/api/ToscaTemplate.java b/src/main/java/org/openecomp/sdc/toscaparser/api/ToscaTemplate.java
index 8d7d130..4c19be6 100644
--- a/src/main/java/org/openecomp/sdc/toscaparser/api/ToscaTemplate.java
+++ b/src/main/java/org/openecomp/sdc/toscaparser/api/ToscaTemplate.java
@@ -136,6 +136,7 @@
 		nestedToscaTplsWithTopology = new ConcurrentHashMap<>();
 		nestedToscaTemplatesWithTopology = new ArrayList<TopologyTemplate>();
 		resolveGetInput = _resolveGetInput;
+		metaProperties = new LinkedHashMap<>();
 
 		if(_path != null && !_path.isEmpty()) {
 			// save the original input path