Updated feature.properties file location is feature pom.xml files

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179393 a5903396-d722-0410-b921-86c7d4935375
Updated feature.properties file location is feature pom.xml files

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179394 a5903396-d722-0410-b921-86c7d4935375
Adding nested feature categories for AS

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179395 a5903396-d722-0410-b921-86c7d4935375