Refactor. Tree node can contain several metrics now
Implemented rule to unite many metrics under single node in control tree
JFG-620 1.0
JFG-620 Check has been added
	unused map has been deleted
Temp commit to switch to other branch
Refactor - removed unnecessary parameter taskIds from PlotDataProvider interface
JFG-620 (backend for the tags)
Refactor - now every MetricNameDto knows where it comes from = where to take values
[maven-release-plugin] prepare release parent-1.2.4-m5
[maven-release-plugin] prepare for next development iteration
JFG-620 Backend for tags
enabled displaying of CPU idle and wait time in WebUI
Plots can be fetched for MetricNodes => one plot with several metrics (lines)
Partially working solution (not finished)
All plots are fetched / removed by MetricNode => single MetricNode = single plot in Metric tab
+ create TestInfoService
+ add ability to fetch testInfo for all chosen tests in one call
code cleaning
before merge with master
merge with master
clean code, fixed bugs in gwt-servlet and CommonDataProvider
JFG-620 Create backend for tags