moving LB subscription logic to SM - initial step
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos into lb_logic_refactoring
lb subscription refactoring contd.
finalizing the refactoring of LB subscription and service deployment
adding a check of null
adapting new changes, fixing conflicts and merging
fixing confilcts and merging
changing subscription flow
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos into lb_logic_refactoring
LB subscription refactoring contd.