Lms restructure (#882)

* adding core module

core/platform-common/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <parent>
+        <artifactId>core</artifactId>
+        <groupId>org.sunbird</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>platform-common</artifactId>
+
+
+</project>
\ No newline at end of file

core/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <parent>
+        <artifactId>lms-service</artifactId>
+        <groupId>org.sunbird</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>core</artifactId>
+    <packaging>pom</packaging>
+    <modules>
+        <module>platform-common</module>
+    </modules>
+
+
+</project>
\ No newline at end of file

pom.xml

@@ -17,6 +17,7 @@
 	  <module>actors/sunbird-lms-mw</module>
 	  <module>service</module>
       <module>reports</module>
+      <module>core</module>
   </modules>
     <dependencies>
         <dependency>