Upgrade dependencies to clear security issues

A bit of consolidation too - which could use a lot more work. These
were simple security upgrades for fixes identified by LF weekly LCM job.
Added some missing license headers.

Issue-ID: POLICY-507
Change-Id: If285b0f95d30a1084c9363bf6a41b48d52fb3aff
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/pom.xml b/pom.xml
index 0eb2f43..4dce81c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,3 +1,22 @@
+<!--
+  ============LICENSE_START=======================================================
+  ONAP Policy Engine
+  ================================================================================
+  Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+  ================================================================================
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+  
+       http://www.apache.org/licenses/LICENSE-2.0
+  
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  ============LICENSE_END=========================================================
+  -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
@@ -31,6 +50,9 @@
 		<snapshots.path>content/repositories/snapshots/</snapshots.path>
 		<staging.path>content/repositories/staging/</staging.path>
 		<dmaap.version>1.0.0</dmaap.version>
+		<httpclient.version>4.5.5</httpclient.version>
+		<jackson.version>2.9.3</jackson.version>
+		<commons.fileupload.version>1.3.3</commons.fileupload.version>
 	</properties>