Rename policy-docker to match other repos

The other repos use the "name" field to name the policy repos
consistency: policy-{repo}.

Issue-ID: POLICY-2280
Change-Id: Ida87954d6932ebef124c5b6ef06bd2bccd0415db
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/pom.xml b/pom.xml
index a1e47bf..60a7b34 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
     <version>2.0.0-SNAPSHOT</version>
 
     <packaging>pom</packaging>
-    <name>Policy Docker images</name>
+    <name>policy-docker</name>
     <properties>
         <!-- Project common build settings -->
         <maven.compiler.source>1.8</maven.compiler.source>