Add an ability to save test-group metrics and show names of metrics in webUI
Add an ability to store monitoring metrics as test-group metrics
Do some refactoring. Save JMX metrics
Merge with master
Merge with master. Fix monitoring logging
Refactor code. Add an ability to show test-group metrics summary values
Create fetcher for test-group metrics
Code refactoring. Filter monitoring metrics in webUI
Merge with master
Show test-group metrics plot values
Clean code
Fix UnsupportedEx if summaryFetcher
Merge pull request #434 from kgribov/Epic

JFG-605. Test-group metrics. Monitoring metrics as test-group metrics. Without webUI part
+ add createAggregatorSuffix method to wrap aggregator`s name (more pleasant representation)
- bug fix in MonitoringAggregator
Merge branch 'master' of github.com:griddynamics/jagger into aggregator-for-cumulative-metrics

Conflicts:
	chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/aggregator/workload/MetricLogProcessor.java
+ add CumulativeMetricAggregator to cumulative monitoring metric
+ save time stamp of monitoring parameter that comes from Agent