fix for STRATOS-851
Update messaging component pom version and mqtt related API calls in CEP fault handling window processor
fix lb cluster id null issue
Refactored - licenses and comments added
fixing lb cluster is not moved to active list
Remove commented code.
Code review changes
Formatting the code.
Merge branch 'tenant-isolation-feature_wip' of https://github.com/lasinducharith/stratos

This closes #76
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/stratos