fixing a CPU spinning issue in CEP extension
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
instance cleanup notification added to the unsubscription
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
throwing a RestAPI Exception from subcribe operation
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Add persistance mapping option for CLI catrtidge subscription
Add persistance mapping option for CLI catrtidge subscription
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Remove unnecessary debug log
Fixing STRATOS-453

Signed-off-by: Manula Thantriwatte <manula@apache.org>