STRATOS-702 - HAProxy Extension won't update it's member list
removing references to 'incubator'
GET REST API change response
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/stratos into PR-4
removing references to 'incubator'
Fixing STRATOS-703 - HAProxy route to same server even there are multiple clusters
change POST rest apis
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/stratos
format POST APIs
REST API format PUT and DELETE
Adding mising exception classes
removing unused imports
fixing some variable name mismatches
fixing STRATOS-686 Use / when loading resources

Previous used File.separator which does not work on windows when
loading resources.

Reference
http://blogs.atlassian.com/2006/12/how_to_use_file_separator_when/
change cli test ports