adding social core dependency to root pom
adding social core to p2 pom
removing org.wso2.carbon.social.cassandra 1.1.0
removing org.wso2.carbon.social.core 1.1.0
removing org.wso2.carbon.social.sql 1.1.0
removing 1.1.0 social feature counterparts
updating social component pom
updating social feature pom
adding restructured social component
adding restructured social features