Plugin to format/validate POM

Adding tidy-maven-plugin and related profile to format/vaidate pom files

To format POM Files just run mvn process-sources -P format

Issue-ID: CCSDK-1739
Signed-off-by: SINGAL, KAPIL (ks220y) <ks220y@att.com>
Change-Id: I58dc261ac7b3179a91a0ab5a06237990707543f5
diff --git a/ms/command-executor/pom.xml b/ms/command-executor/pom.xml
index 5861912..0db7af9 100755
--- a/ms/command-executor/pom.xml
+++ b/ms/command-executor/pom.xml
@@ -16,14 +16,17 @@
   -->
 <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/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
+
     <parent>
         <groupId>org.onap.ccsdk.cds</groupId>
         <artifactId>ms</artifactId>
         <version>0.7.0-SNAPSHOT</version>
         <relativePath>..</relativePath>
     </parent>
+
     <artifactId>command-executor</artifactId>
     <packaging>pom</packaging>
+
     <name>Command Executor</name>
     <description>Micro-service providing python environment with gRPC binding for command execution</description>