renaming features directory to features-old

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@188873 a5903396-d722-0410-b921-86c7d4935375
adding new features directory which will be used for C5 new features

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@188875 a5903396-d722-0410-b921-86c7d4935375