First commit
Added files for loading old mon data in sql and evaluating the elasticity (used in cloud come xtended experiments)
Added feature in which now wwhen MELA starts it starts with an initial DEMO configuration.
Moded data pooling from AnalysysService to MELA-DataService.  Also, AnalysysService can be run as shaded jar.
Separate data pooling from Analysys to DataService, and removed state from analysis service.
Last configuration now stored as XML in database. ALso, hsitorical monitoring data is accessible between runs.
Added services which return elasticity space and pathway also in XML, to be processed if needed from external tools.
Refactored data source to create a base for multiple data source definitions. Also, inserted base for supporting push and poll data collection mechanisms at different pooling intervals.
Added Data Sources separate configuration to support multiple data source pulled at diff intervals. Basis for also push provided. Currently all data soruces link to same Service. Will separate to manage more services.
Added files not commited in previous version.
Merge branch 'master' of https://github.com/tuwiendsg/MELA