adding stub to main pom
renaming the notificateon --> notification
adding instance notification stub
adding instance notification client to Autoscaler
Fixing LB cluster monitor handling at health stat events
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
fixing worng class name
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Fix typo in service stub parent pom
moving setKey before calling createSubscription
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos