migrating plugin to support new gitblit api

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@181122 a5903396-d722-0410-b921-86c7d4935375
fixing version for registry streamDefn store

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@181123 a5903396-d722-0410-b921-86c7d4935375
fixing list apps

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@181125 a5903396-d722-0410-b921-86c7d4935375
correcting product name 

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@181126 a5903396-d722-0410-b921-86c7d4935375