renaming core to store

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@176811 a5903396-d722-0410-b921-86c7d4935375
correcting parent relative path.

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@176812 a5903396-d722-0410-b921-86c7d4935375